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.
Worcester Greenstar 8000+ 50 Regular Boiler
£2,761.08
£2,300.90
9 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar 8000+ 30 LPG Regular Boiler
£1,636.93
£1,364.11
Available for back-ordered delivery
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Worcester Greenstar 8000+ 35 LPG Regular Boiler
£1,934.83
£1,612.36
Available for back-ordered delivery
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Worcester Greenstar 8000+ 40 LPG Regular Boiler
£2,231.70
£1,859.75
Available for back-ordered delivery
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Worcester Greenstar 8000+ 45 LPG Regular Boiler
£2,529.61
£2,108.01
Available for back-ordered delivery
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Worcester Greenstar 8000+ 50 LPG Regular Boiler
£2,806.75
£2,338.96
Available for back-ordered delivery
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Viessmann Vitodens 100-W 11kW B1GA Heat Only Boiler
£1,165.10
£970.92
11 Available for Delivery
Select your local store for Stock Availability.
Viessmann Vitodens 100-W 16kW B1GA Heat Only Boiler
£1,201.38
£1,001.15
28 Available for Delivery
Select your local store for Stock Availability.
Viessmann Vitodens 100-W 19kW B1GA Heat Only Boiler
£1,222.02
£1,018.35
10 Available for Delivery
Select your local store for Stock Availability.
Viessmann Vitodens 100-W 25kW B1GA Heat Only Boiler
£1,301.82
£1,084.85
26 Available for Delivery
Select your local store for Stock Availability.
Viessmann Vitodens 100-W 32kW B1GA Heat Only Boiler
£1,703.58
£1,419.65
27 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar 12Ri Regular Boiler, Quick-List Pack
Starting at £0.00 £0.00
Customise to Check Stock
Worcester Greenstar 9Ri Regular Boiler
£978.84
£815.70
Available for back-ordered delivery
Select your local store for Stock Availability.
Worcester Greenstar 12Ri LPG Regular Boiler
£1,057.73
£881.44
1 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar 12Ri Regular Boiler
£997.52
£831.27
9 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar 15Ri Regular Boiler
£1,056.00
£880.00
35 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar 18Ri Regular Boiler
£1,116.00
£930.00
51 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar 21Ri Regular Boiler
£1,149.07
£957.56
19 Available for Delivery
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Worcester Greenstar 24Ri Regular Boiler
£1,190.40
£992.00
43 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar 27Ri Compact Regular Boiler
£1,301.65
£1,084.71
22 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar 30Ri Compact Regular Boiler
£1,354.60
£1,128.83
41 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar 30Ri Compact LPG Regular Boiler
£1,431.41
£1,192.84
Available for back-ordered delivery
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Worcester Greenstar Highflow 550CDI Floor Standing Combi Boiler
£3,082.86
£2,569.05
3 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar Highflow 440CDI LPG Floor Standing Combi Boiler
£2,666.63
£2,222.19
Available for back-ordered delivery
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Worcester Greenstar 30CDI LPG Floor Standing Regular Boiler
£2,183.95
£1,819.96
Available for back-ordered delivery
Select your local store for Stock Availability.
Worcester Greenstar 42CDI Floor Standing Regular Boiler
£2,588.77
£2,157.31
2 Available for Delivery
Select your local store for Stock Availability.
Worcester Greenstar 42CDI LPG Floor Standing Regular Boiler
£2,863.85
£2,386.54
Available for back-ordered delivery
Select your local store for Stock Availability.
