Gas Boilers
Discover our extensive range of gas boilers, perfect for professional heating engineers, homeowners looking to upgrade or replace their system, or commercial property owners. From reputable manufacturers like Worcester Bosch, Baxi, Main, and Vaillant, with real time stock availability, warming your home has never been simpler. Shop our entire range of gas boilers for reliable heating that won’t let you down.

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Explore Our Range Of Gas Boilers
Turn on the taps and jump in the shower; with our range of gas boilers, you can trust that your hot water will stay hot. If you need a gas boiler for a smaller home, a home with traditional piping, or a powerhouse boiler for a larger property, we have the perfect boiler for your property.
Combi Gas Boilers
Our combi gas boiler range is ideal for its simplicity and efficiency. With hot water on demand, eliminating separate hot water cylinders or cold water tanks. The compact design is appealing for space-saving heating, making them ideal for medium-sized homes with a bathroom and unparalleled energy efficiency, only heating water when required.
- Worcester Bosch Greenstar 4000 Combi Boiler White 30 KW
- Baxi 830 Combi 2 Boiler | 30kW Compact & Efficient Heating
- Vaillant ecoTEC Pro 28 Combination Boiler Natural Gas ErP
- Main Eco Compact 25kW Combi Boiler
System Gas Boilers
If your home has a higher hot water demand, a system gas boiler is perfect for you. With a hot water cylinder for a consistent flow of hot water to multiple faucets, no need for a cold water tank, streamlining installation, and the ability to meet the demand for hot water in a busy household. Our system gas boilers are perfect for larger properties like a house share, bigger family homes, or a business property.
- Baxi 830 30Kw 800 System 2 Boiler Only Inc Adey Magnaclean Micro2
- Baxi 824 24Kw 800 System 2 Boiler Only Inc Adey Magnaclean Micro2
- Vaillant Ecotec Plus 635 System Boiler 35KW
Heat Only Gas Boilers
Heat-only gas boilers are ideal for properties with a traditional heating system, which includes a separate hot water cylinder and cold water tank. These are the perfect choice for upgrading an old boiler as they won’t interfere as heavily with the existing pipework. They can deliver high volumes of hot water and are compatible with solar thermal and other renewable heat technologies, offering flexibility on your heating solutions.
- Baxi 816 Heat Only Boiler
- Worcester Greenstar 24Ri Regular Boiler Natural Gas ErP+
- Baxi 625 25kW Regular Boiler Natural Gas ErP
Need a replacement part? Check out our gas boiler spare parts.
Spares Direct Is Your Trusted Gas Boiler Supplier
- Comprehensive Product Range - Access a vast collection of oil, gas, electrical, boiler, plumbing, and heating supplies in one place, streamlining your day.
- Reputable Brands - Shop with confidence from leading manufacturers like Worcester Bosch, Baxi, Vaillant, Riello, and Honeywell, and more for reliable, quality parts.
- Real-time Stock - Stock levels are live and accurate, meaning you’ll never be disappointed while shopping.
- Free UK & Ireland Delivery - All orders over £150 benefit from free delivery, saving you money.
- Dedicated Customer Support - Easily access assistance over the phone or by email from our dedicated team.
- 30-day Return Policy - Easy returns up to 30 days after your purchase through our returns portal.
- Secured Checkout - Remove the worry of shopping online with our secured checkout process.