The Worcester 28i Greenstar Junior Boiler is a compact, energy-efficient gas-fired boiler designed for small to medium-sized homes, offering reliable heating and hot water solutions․
1․1 Overview of the Worcester 28i Greenstar Junior Boiler
The Worcester 28i Greenstar Junior Boiler is a compact, highly efficient gas-fired boiler designed to provide reliable heating and hot water for small to medium-sized homes; As part of Worcester’s renowned Greenstar range, it is engineered for optimal performance and energy savings․ This boiler is ideal for homes where space is limited, thanks to its sleek and compact design․ It features user-friendly controls that make it easy to operate and monitor heating settings․ With its robust construction and advanced technology, the Worcester 28i Junior ensures consistent heating performance while minimizing energy consumption, making it a popular and trusted choice for homeowners seeking a balance between efficiency and reliability․
1․2 Key Features of the Worcester 28i Greenstar Junior
The Worcester 28i Greenstar Junior Boiler offers several standout features that enhance its performance and user experience․ It includes a high-efficiency condensing system, which minimizes fuel consumption and reduces emissions․ The boiler is equipped with intuitive controls, allowing users to easily adjust heating settings and monitor energy usage․ Additionally, its compact size makes it ideal for installation in small spaces, such as kitchen cupboards․ The boiler also features a built-in frost protection system, ensuring reliability even in colder conditions․ Furthermore, it is compatible with Worcester’s optional smart thermostat, enabling remote temperature control for added convenience․ These features collectively contribute to its reputation as a reliable and efficient heating solution for modern homes․
1․3 Benefits of Using the Worcester 28i Greenstar Junior Boiler
The Worcester 28i Greenstar Junior Boiler offers numerous benefits, making it a popular choice for homeowners․ Its high-efficiency design ensures lower energy consumption, leading to reduced utility bills and a smaller carbon footprint․ The boiler’s compact size allows for flexible installation options, ideal for smaller properties․ It provides consistent and reliable heating performance, ensuring warm water and a comfortable home environment․ Additionally, its compatibility with Worcester’s smart thermostat enhances energy management and convenience․ The boiler also features a quiet operation and is designed for long-term durability, making it a cost-effective and sustainable heating solution for modern households seeking efficiency and reliability․
Installation and Setup of the Worcester 28i Greenstar Junior
The installation requires pre-checks, such as ensuring proper ventilation and compatible pipework, followed by step-by-step fitting and initial configuration to ensure optimal performance and safety․
2․1 Pre-Installation Requirements
Before installing the Worcester 28i Greenstar Junior Boiler, ensure the site is prepared․ Check for adequate ventilation, a suitable location, and compatibility with existing heating systems․ Verify the gas supply and electrical connections meet specifications․ Ensure the boiler location adheres to safety guidelines, such as proximity to flammable materials․ Inspect the system for leaks and damage․ Familiarize yourself with local building regulations and safety standards․ Ensure all necessary tools and materials are available․ Consider installing a system filter to protect the boiler from contaminants․ Review the manual thoroughly to understand specific requirements․ Proper preparation ensures a smooth and safe installation process․
2․2 Step-by-Step Installation Guide
Mount the boiler on a suitable wall, ensuring it is level and secure․ Connect the gas supply, using appropriate piping and ensuring all joints are leak-tight․ Install the water supply connections, following the manual’s guidelines․ Connect the electrical supply, ensuring compatibility with the boiler’s requirements․ Fit the flue system correctly, adhering to ventilation and clearance specifications․ Connect the central heating system, including radiators and pipes․ Install any additional components, such as a system filter, to protect the boiler․ Test the system under operating conditions to ensure proper function․ Finally, complete the installation by setting up the controls and ensuring all safety features are activated․ Always follow safety protocols and manufacturer instructions․
2․3 Initial Setup and Configuration
After installation, power on the boiler and follow the on-screen prompts to complete the initial setup․ Use the control panel to set your preferred temperature and heating mode․ Configure the timer and programmable settings according to your schedule․ Ensure the system pressure is set correctly, typically around 1-2 bar․ Activate the boiler’s energy-saving features to optimize performance․ Test all functions, including hot water and central heating, to ensure proper operation․ Check for any error codes and resolve them promptly․ Refer to the manual for detailed instructions on customizing settings and enabling advanced features like weather compensation or smart device integration․ Always ensure the system is balanced and functioning efficiently before regular use․
Operating the Worcester 28i Greenstar Junior Boiler
The Worcester 28i Greenstar Junior Boiler features an intuitive control panel for easy operation, ensuring energy efficiency and optimal heating performance with real-time monitoring․
3․1 Understanding the Boiler Controls
The Worcester 28i Greenstar Junior Boiler features an intuitive control panel designed for easy operation․ The controls include a digital display, temperature adjustment buttons, and mode selection options․ Users can switch between summer and winter modes, adjusting heating and hot water settings․ The boiler also includes a reset button and indicators for system status․ The controls are designed to optimize energy efficiency and performance, allowing users to monitor and adjust settings easily․ Understanding these controls ensures efficient operation and tailored heating solutions for your home․ Proper use of the controls can enhance energy savings and overall system reliability․
3․2 Operating Modes and Settings
The Worcester 28i Greenstar Junior Boiler offers multiple operating modes to suit different heating needs․ These include central heating mode, hot water mode, and a combination of both․ The boiler also features an eco-mode for enhanced energy efficiency․ Users can adjust temperature settings for both heating and hot water, with options to set time-based schedules․ Additionally, the boiler supports external controls, such as thermostats, for smarter operation․ The settings can be customized to optimize performance and energy usage, ensuring comfort while reducing energy bills․ Proper configuration of these modes and settings ensures the boiler operates efficiently and meets specific household requirements․
3․3 Energy Efficiency and Performance
The Worcester 28i Greenstar Junior Boiler is highly energy-efficient, achieving an A-rated performance with a 94% efficiency rating․ It incorporates advanced condensing technology, which captures and recycles heat from flue gases, reducing energy waste․ The boiler’s modulating burner adjusts heat output to match demand, optimizing performance and lowering fuel consumption․ Its compact design ensures reliable operation while maintaining high efficiency standards․ Additionally, the boiler is compatible with smart thermostats, enabling further energy savings through precise temperature control․ This combination of innovative technology and intelligent design ensures the Worcester 28i delivers exceptional heating performance while minimizing environmental impact and energy costs․
Technical Specifications of the Worcester 28i Greenstar Junior
The Worcester 28i Greenstar Junior Boiler features a 28kW central heating output, A energy rating, and 94% efficiency․ It operates on natural gas, weighs 47kg, and includes a 2-year warranty․
4․1 Key Technical Details
The Worcester 28i Greenstar Junior Boiler is a wall-mounted, condensing gas boiler with a central heating output of 28kW․ It operates on natural gas and achieves an A energy efficiency rating, with a 94% efficiency rate․ The boiler weighs 47kg and has dimensions of 395mm (H) x 640mm (W) x 298mm (D), making it suitable for small spaces․ It includes a 2-year warranty and is compatible with Worcester’s Greenstore cylinder and system filters for enhanced performance; The boiler features a modulating burner for efficient energy use and is designed to work with both sealed and open-vented heating systems․
4․2 Compatibility with Heating Systems
The Worcester 28i Greenstar Junior Boiler is designed to integrate seamlessly with various heating systems, including sealed and open-vented systems․ It is fully compatible with Worcester’s Greenstore cylinder for storage solutions and works efficiently with system filters to protect the heating system from contaminants․ The boiler is also suitable for use with traditional, combination, or system setups, offering flexibility for different home configurations․ Its compatibility with standard 22mm and 28mm central heating pipes ensures easy installation and connection to existing plumbing systems․ This versatility makes the Worcester 28i Greenstar Junior a reliable choice for a wide range of heating needs․
4․3 Emissions and Efficiency Ratings
The Worcester 28i Greenstar Junior Boiler is highly efficient and environmentally friendly, boasting an ErP A-class energy rating․ It features advanced condensing technology, which significantly reduces energy waste and lowers emissions․ The boiler complies with stringent nitrogen oxide (NOx) emission standards, making it an eco-conscious choice․ With a high efficiency rate, it minimizes fuel consumption while delivering consistent heating performance․ This ensures reduced carbon footprint and lower energy bills․ The Greenstar Junior is designed to meet modern energy efficiency requirements, making it a sustainable option for homeowners seeking reliable and environmentally responsible heating solutions․
Maintenance and Servicing of the Worcester 28i Greenstar Junior
Regular maintenance ensures optimal performance and longevity of the Worcester 28i Greenstar Junior Boiler․ Annual servicing by a qualified engineer is essential for warranty validation and efficiency․
5․1 Recommended Maintenance Schedule
A regular maintenance schedule is crucial for the Worcester 28i Greenstar Junior Boiler․ Homeowners should inspect the boiler annually, checking for leaks, corrosion, and ensuring all components function properly․ Additionally, it is advised to have a qualified engineer service the boiler every 12 months to maintain warranty validity and optimal performance․ During servicing, the engineer will clean and inspect heat exchangers, check gas pressure, and test safety devices․ Users should also perform monthly checks, such as verifying system pressure and bleeding radiators if necessary․ Adhering to this schedule ensures reliability, efficiency, and extends the boiler’s lifespan․ Neglecting maintenance may lead to reduced performance or potential breakdowns․
5․2 DIY Maintenance Tips
Regular DIY maintenance can help prolong the life and efficiency of your Worcester 28i Greenstar Junior Boiler․ Homeowners can perform routine checks, such as ensuring the system pressure is between 1-2 bars, bleeding radiators to remove airlocks, and checking for leaks around pipes and fittings․ Cleaning the boiler casing and surrounding area is also recommended to maintain proper airflow․ Additionally, inspecting the condensate pipe for blockages during winter months can prevent freezing issues․ While these tasks are straightforward, always refer to the manual for specific guidance․ DIY maintenance should not replace professional servicing but can help identify potential issues early, ensuring optimal performance and reliability․
5․3 Professional Servicing Requirements
Professional servicing is essential to maintain the Worcester 28i Greenstar Junior Boiler’s performance and warranty․ Annual servicing by a Gas Safe-registered engineer ensures compliance with safety standards and optimal efficiency․ During servicing, engineers inspect the burner, heat exchanger, and flue for damage or blockages․ They also check gas pressure, clean internal components, and verify electrical connections․ Additionally, professionals can update boiler software and replace worn parts like seals or fans․ Worcester recommends using their accredited engineers to guarantee warranty validity․ Regular professional servicing prevents potential issues, ensures safe operation, and maintains energy efficiency․ Neglecting this can lead to reduced performance or even system failure over time․
Troubleshooting Common Issues
The Worcester 28i Greenstar Junior Boiler may encounter issues like error codes, lockouts, or low pressure․ Always refer to the manual or a professional for resolution․
6;1 Common Faults and Solutions
The Worcester 28i Greenstar Junior Boiler may display error codes like EA, which indicate ignition issues․ Ensure the gas supply is on and check for blockages in the flue․ If the boiler locks out, press the reset button․ Low water pressure, indicated by a flashing light, requires topping up the system․ Leaks should be addressed promptly by a professional․ Regular servicing can prevent faults, and referring to the manual or contacting Worcester support is recommended for unresolved issues․ Always follow safety guidelines when troubleshooting to avoid further problems․
6․2 Error Codes and Their Meanings
The Worcester 28i Greenstar Junior Boiler displays error codes to indicate specific issues․ Code EA often relates to ignition problems, while code E5 may signify a gas valve issue․ Code E9 typically points to low water pressure, requiring system topping up․ Code E1 or E2 could indicate sensor faults, such as a faulty flow or return sensor․ Code E3 often relates to overheating, while Code E4 may signal a pump failure․ Code E7 could indicate a fan issue, and Code E8 may suggest a flue blockage․ Always refer to the manual or contact Worcester support for accurate diagnosis and resolution․ Understanding these codes helps in addressing boiler issues promptly and effectively․
6․3 Resetting the Boiler
To reset the Worcester 28i Greenstar Junior Boiler, first ensure the power supply is switched off at the mains․ Locate the reset button, usually found near the boiler’s PCB (Printed Circuit Board)․ Press and hold the reset button for about 10-15 seconds until the boiler’s display indicates the reset is complete․ Release the button and turn the power back on․ The boiler will restart, and if the issue was minor, it should function normally․ If the problem persists, consult the manual or contact a qualified engineer, as repeated resets may indicate an underlying fault requiring professional attention․ Resetting is a useful troubleshooting step for minor malfunctions․
Safety Features and Considerations
The Worcester 28i Greenstar Junior Boiler features multiple safety mechanisms, including automatic shutdown and fault detection․ Ensure proper ventilation, keep children away, and follow emergency shutdown procedures․
7․1 Built-In Safety Features
The Worcester 28i Greenstar Junior Boiler includes advanced safety features such as automatic shutdown, flame failure detection, and overheating protection․ These mechanisms ensure the boiler operates safely and efficiently․ The boiler also incorporates a pressure relief valve and a gas safety device to prevent leaks and hazards․ Additionally, the boiler is designed with a sealed system filter to protect against contaminants in the water, ensuring optimal performance and longevity․ These built-in safety features not only protect the boiler but also provide peace of mind for homeowners, ensuring a safe and reliable heating experience․
7․2 Safety Precautions for Users
To ensure safe operation, users of the Worcester 28i Greenstar Junior Boiler must follow specific precautions․ Always refer to the user manual before performing any adjustments or maintenance․ Ensure proper ventilation in the room where the boiler is installed to avoid carbon monoxide buildup․ Never tamper with the boiler’s internal components, as this could lead to unsafe conditions․ Keep the area around the boiler clear of flammable materials and ensure it is accessible for servicing․ Additionally, users should be aware of error codes and take prompt action if they appear․ Regularly check for gas leaks and report any suspicions to a qualified technician immediately․ Annual servicing by a certified professional is also essential to maintain safety and efficiency․
7․3 Emergency Shutdown Procedures
In case of an emergency, such as a gas leak, loss of heating, or unusual noises, follow these steps to safely shut down the Worcester 28i Greenstar Junior Boiler․ First, switch off the boiler using the on/off switch located on the control panel․ Next, close the main gas supply valve to prevent any further gas flow․ Open windows to ventilate the area if you suspect a gas leak․ Do not attempt to repair the boiler yourself․ Immediately contact a Worcester-registered engineer or a qualified technician to diagnose and resolve the issue․ Always prioritize your safety and the safety of others by adhering to these procedures․
Warranty and Support for the Worcester 28i Greenstar Junior
The Worcester 28i Greenstar Junior Boiler comes with a manufacturer-backed warranty, providing coverage for parts and labor under specified terms․ Dedicated customer support is available for troubleshooting․
8․1 Warranty Terms and Conditions
The Worcester 28i Greenstar Junior Boiler is backed by a comprehensive manufacturer warranty, typically covering parts and labour for a specified period․ Registration is often required to activate the warranty, ensuring compliance with the manufacturer’s terms․ The warranty may exclude damages resulting from improper installation, misuse, or lack of maintenance․ Coverage details, including duration and specific components covered, are outlined in the official documentation․ Transferability to new owners may be possible under certain conditions․ It’s essential to review the warranty terms thoroughly to understand what is included and any limitations that may apply․ Proper servicing by qualified professionals is usually required to maintain warranty validity․
8․2 Customer Support Options
Worcester Bosch offers comprehensive customer support for the 28i Greenstar Junior Boiler, ensuring assistance is readily available․ Users can access support through various channels, including phone, email, and online chat․ The Worcester website provides a dedicated section for customer inquiries, with resources such as FAQs, user manuals, and troubleshooting guides․ Additionally, customers can register their boiler online to track warranty and servicing schedules․ For more complex issues, Worcester’s network of accredited installers and service engineers is available to provide professional assistance․ The company also offers a 24/7 emergency helpline for urgent situations, ensuring prompt resolution of any issues․ This multi-channel support system aims to deliver a seamless experience for users․
8․3 Extended Warranty Options
Worcester Bosch offers extended warranty options for the 28i Greenstar Junior Boiler, providing added peace of mind for homeowners․ These options can be purchased to extend the standard warranty period, ensuring continued coverage for parts and labor․ Extended warranties are available for up to 10 years, depending on the specific terms and conditions․ To qualify, the boiler must be installed by a Worcester Accredited Installer and serviced annually․ Customers can choose from various extended warranty packages, which may include additional benefits such as priority service and parts coverage․ This option is ideal for homeowners seeking long-term protection and reliability for their heating system․ Extended warranties must be purchased within the initial warranty period to remain valid․
Frequently Asked Questions (FAQs)
This section addresses common queries about the Worcester 28i Greenstar Junior Boiler, covering installation, operation, maintenance, and troubleshooting, helping users resolve issues efficiently and effectively․
9․1 General FAQs About the Worcester 28i Greenstar Junior
What is the Worcester 28i Greenstar Junior? It’s a compact, energy-efficient gas boiler ideal for small to medium homes․ Is it suitable for all heating systems? Yes, it works with both sealed and open-vented systems․ What fuel does it use? It runs on natural gas․ Can it be installed in any room? No, it should be installed in a well-ventilated area․ How long does installation take? Typically 1-2 days․ Does it require regular maintenance? Yes, annual servicing is recommended․ What is the warranty period? It comes with a 5-year standard warranty․ Can I control it remotely? Yes, with compatible smart thermostats․ Is it energy-efficient? Yes, it has an ErP A-rating for efficiency․
9․2 Technical FAQs
What is the maximum central heating output of the Worcester 28i Greenstar Junior? The boiler has a central heating output of 28kW․ Is it compatible with both open and sealed heating systems? Yes, it works with both systems․ What is the boiler’s energy efficiency rating? It has an ErP A-rating for high efficiency․ Can it be converted to LPG? Yes, with a conversion kit․ What is the minimum water pressure required? The boiler requires a minimum pressure of 0․5 bar․ How many radiators can it support? It can support up to 15 radiators, depending on system design․ Does it have a built-in timer? No, but it is compatible with external timers․ How long does it take to heat water? It provides instant hot water when connected to a cylinder․ Can it be used with solar panels? Yes, it is compatible with solar thermal systems․ What are the error codes? Common codes include EA, E5, and E9, which relate to issues like low pressure or ignition faults․
9․3 Maintenance and Troubleshooting FAQs
How often should the Worcester 28i Greenstar Junior be serviced? Annual servicing by a qualified engineer is recommended․ What are common maintenance tasks? Checking pressure, bleeding radiators, and cleaning filters․ Why does the boiler lose pressure? Leaks in the system or faulty valves․ How to top up pressure? Use the filling loop, following manual instructions․ Can I perform DIY repairs? No, only Gas Safe engineers should do repairs․ Why does the boiler make noise? Limescale buildup or faulty pumps․ How to prevent limescale damage? Use a magnetic filter and descale regularly․ What if the boiler won’t ignite? Check gas supply and ignition electrode․ How to reset the boiler? Press and hold the reset button for 3 seconds․ Can I replace the seal myself? No, contact a professional․ How to drain the system? Turn off power, attach hose to drain valve, and open․ What if there’s a leak? Turn off water supply and contact an engineer․ Is the boiler frost protected? Yes, but ensure proper installation to avoid damage․ Can I use system cleaners? Yes, but follow manufacturer guidelines․ How to check for leaks? Look for water around pipes and connections․ Why does it have a fault code? Refer to the user manual or contact support․ How to prepare for annual service? Ensure access and shut off water supply․ Can I flush the radiator myself? Yes, but be cautious and follow safety steps․ How to check pressure gauge? Located on the boiler, it should be between 1-2 bar․ What if the pressure drops? Re-pressurize using filling loop․ How to test for gas leaks? Smell gas or use a detector․ Should I install a carbon monoxide detector? Yes, it’s highly recommended․ How to check flue for blockages? Ensure no obstructions near vents․ Can I clean the heat exchanger? No, only a professional should do this․ How to check electrical connections? Ensure all connections are secure․ What if the boiler is not heating radiators? Check thermostat, timer, and radiator valves․ Can I use a smart thermostat? Yes, it’s compatible with most systems․ How to check for frozen pipes? Look for cracks or water leaks․ Should I insulate exposed pipes? Yes, to prevent freezing․ How to check for corrosion? Look for green stains or leaks․ Can I replace the thermostat myself? No, contact a Gas Safe engineer․ How to check for gas leaks in pipes? Use a soapy solution or gas detector․ Should I label the pipes? Yes, for easy identification․ How to check for worn-out seals? Inspect for leaks or water damage․ Can I replace the pressure relief valve myself? No, contact a professional․ How to check for electrical issues? Look for flickering lights or tripping circuit breakers․ Should I have a maintenance contract? It’s optional but recommended for priority service․ How to check for scale buildup? Look for reduced water flow or noise․ Can I descale the boiler myself? No, only a professional should perform this․ How to check for faulty diverter valve? Symptoms include no hot water or heating․ Should I install a magnetic filter? Yes, it helps prevent limescale damage․ How to check for low water flow? Check the pressure gauge and system for leaks․ Can I add inhibitor to the system? Yes, to prevent corrosion․ How to check for pump failure? Look for unusual noise or no heating․ Should I install a new pump? Only a professional can install it․ How to check for gas valve issues? Look for error codes or ignition problems․ Can I replace the gas valve myself? No, contact a Gas Safe engineer․ How to check for combustion issues? Look for error codes or unusual smells․ Should I install a CO detector? Yes, it’s essential for safety․ How to check for electrical faults? Look for error codes or flickering lights․ Can I reset the boiler after a power cut? Yes, press the reset button․ How to check for system leaks? Look for water damage or low pressure․ Should I install a leak detection system? Yes, it can save money and prevent damage․ How to check for worn-out parts? Look for leaks or reduced performance․ Can I replace the heat exchanger myself? No, only a professional should do this․ How to check for system balance? Ensure even heat distribution․ Should I balance the radiators? Yes, for efficient heating․ How to check for faulty thermostats? Look for inconsistent temperatures․ Can I replace the thermostat myself? No, contact a Gas Safe engineer․ How to check for electrical connections? Ensure all are secure․ Should I update the software? Yes, if available, to ensure optimal performance․ How to check for gas leaks? Use a detector or smell for gas․ Can I install a gas leak detector? Yes, it’s highly recommended․ How to check for system pressure? Use the pressure gauge․ Should I re-pressurize the system? Yes, if pressure drops below 1 bar․ How to check for faulty sensors? Look for error codes or inconsistent operation․ Can I replace sensors myself? No, contact a professional․ How to check for system corrosion? Look for green stains or leaks․ Should I treat the system for corrosion? Yes, with a chemical flush․ How to check for scale buildup? Look for reduced performance or noise․ Can I descale the system myself? No, only a professional should do this․ How to check for pump issues? Look for noise or no heating․ Should I replace the pump? Only a professional can install a new one․ How to check for ignition problems? Look for error codes or no hot water․ Can I fix ignition issues myself? No, contact a Gas Safe engineer․ How to check for flue blockages? Ensure vents are clear․ Should I clean the flue? Yes, annually․ How to check for gas supply issues? Look for low pressure or no ignition․ Can I fix gas supply problems? No, contact the gas provider․ How to check for electrical faults? Look for error codes or flickering lights․ Should I install a new electrical connection? Yes, if there are issues․ How to check for system leaks? Look for water damage or low pressure․ Can I fix leaks myself? No, contact a professional․ How to check for system balance? Ensure even heat distribution․ Should I balance the radiators? Yes, for efficient heating․ How to check for faulty valves? Look for leaks or no heating․ Can I replace valves myself? No, contact a Gas Safe engineer․ How to check for system pressure? Use the pressure gauge․ Should I re-pressurize the system? Yes, if pressure drops below 1 bar․ How to check for faulty sensors? Look for error codes or inconsistent operation․ Can I replace sensors myself? No, contact a professional․ How to check for system corrosion? Look for green stains or leaks․ Should I treat the system for corrosion? Yes, with a chemical flush․ How to check for scale buildup? Look for reduced performance or noise․ Can I descale the system myself? No, only a professional should do this․ How to check for pump issues? Look for noise or no heating․ Should I replace the pump? Only a professional can install a new one․ How to check for ignition problems? Look for error codes or no hot water․ Can I fix ignition issues myself? No, contact a Gas Safe engineer․ How to check for flue blockages? Ensure vents are clear․ Should I clean the flue? Yes, annually․ How to check for gas supply issues? Look for low pressure or no ignition․ Can I fix gas supply problems? No, contact the gas provider․ How to check for electrical faults? Look for error codes or flickering lights․ Should I install a new electrical connection? Yes, if there are issues․ How to check for system leaks? Look for water damage or low pressure․ Can I fix leaks myself? No, contact a professional․ How to check for system balance? Ensure even heat distribution․ Should I balance the radiators? Yes, for efficient heating․ How to check for faulty valves? Look for leaks or no heating․ Can I replace valves myself? No, contact a Gas Safe engineer․
10․3 Compliance with Energy Efficiency Standards
Environmental Impact and Energy Efficiency
The Worcester 28i Greenstar Junior Boiler is designed with eco-friendly features, achieving high energy efficiency ratings and low NOx emissions, making it an environmentally responsible choice for heating homes․
