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Heat Only Boilers

Heat only boilers are also known as open vent, conventional or regular boilers. They heat your central heating and hot water when installed as part of a heating system together with a hot water storage cylinder, cold water storage tank, plus a feed and expansion tank (which is usually stored in the loft above the boiler to provide a good head of water). If the boiler you’re replacing is very old, it is most likely a heat only boiler. One of the other clues is that you’ll have a separate circulating pump, instead of one inside the boiler. We keep a huge stock of efficient condensing heat only boilers from all the leading brands such as Potterton, Worcester, Vaillant, Baxi and Glow-worm. In fact, we have all the heat only boilers you need at the lowest prices.

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Showing items 1-30 of 127

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Baxi 415 Heat Only Boiler
£956.48 £797.07
Baxi 415 Heat Only Boiler, Quick List Pack

Starting at £956.48 £797.07

Baxi 418 Heat Only Boiler
£1,002.83 £835.69
Baxi 418 Heat Only Boiler, Quick List Pack

Starting at £1,002.83 £835.69

Baxi 424 Heat Only Boiler
£1,059.26 £882.72
Baxi 424 Heat Only Boiler, Quick List Pack

Starting at £1,059.26 £882.72

Baxi 613 Heat Only Boiler
£1,088.46 £907.05
Baxi 613 Heat Only Boiler, Quick List Pack

Starting at £1,088.46 £907.05

Baxi 616 Heat Only Boiler
£1,127.12 £939.27
Baxi 616 Heat Only Boiler, Quick List Pack

Starting at £1,127.12 £939.27

Baxi 619 Heat Only Boiler
£1,204.54 £1,003.78
Baxi 619 Heat Only Boiler, Quick List Pack

Starting at £1,204.54 £1,003.78

Baxi 625 Heat Only Boiler
£1,266.50 £1,055.42
Baxi 625 Heat Only Boiler, Quick List Pack

Starting at £1,266.50 £1,055.42

Baxi 630 Heat Only Boiler
£1,345.21 £1,121.01
Baxi 630 Heat Only Boiler, Quick List Pack

Starting at £1,345.21 £1,121.01

Glow-worm Energy7 12R (ErP) Regular Boiler, Quick-List Pack

Starting at £911.30 £759.42

Glow-Worm Energy7 12R Regular Boiler
£911.30 £759.42
Glow-worm Energy7 15R (ErP) Regular Boiler, Quick-List Pack

Starting at £954.42 £795.35

Glow-Worm Energy7 15R Regular Boiler
£954.42 £795.35
Glow-worm Energy7 18R (ErP) Regular Boiler, Quick-List Pack

Starting at £1,007.65 £839.71

Glow-Worm Energy7 18R Regular Boiler
£1,007.65 £839.71
Glow-worm Energy7 25R (ErP) Regular Boiler, Quick-List Pack

Starting at £1,048.58 £873.82

Glow-Worm Energy7 25R Regular Boiler
£1,048.58 £873.82

Showing items 1-30 of 127

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