Heat Only Boilers
A heat only (conventional) boiler provides central heating and hot water via a storage cylinder. It's normally open vented, which means there’s an expansion tank within the loft space. Here at Mr Central Heating we stock two models of Glow-worm heat only boilers at the lowest prices: the Flexicom flexible siting boiler with its rear flue option and the flagship Ultracom model.
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Glow-worm Energy7 12R (ErP) Regular Boiler, Quick-List Pack
Starting at £0.00 £0.00
Customise to Check Stock

Glow-Worm Energy7 12R Regular Boiler
£958.69
£798.91
13 Available for Delivery
Select your local store for Stock Availability.

Glow-Worm Energy7 15R Regular Boiler
£1,004.05
£836.71
37 Available for Delivery
Select your local store for Stock Availability.

Glow-worm Energy7 15R (ErP) Regular Boiler, Quick-List Pack
Starting at £0.00 £0.00
Customise to Check Stock

Glow-Worm Energy7 18R Regular Boiler
£1,060.04
£883.37
18 Available for Delivery
Select your local store for Stock Availability.

Glow-worm Energy7 18R (ErP) Regular Boiler, Quick-List Pack
Starting at £0.00 £0.00
Customise to Check Stock

Glow-Worm Energy7 25R Regular Boiler
£1,103.11
£919.26
31 Available for Delivery
Select your local store for Stock Availability.

Glow-worm Energy7 25R (ErP) Regular Boiler, Quick-List Pack
Starting at £0.00 £0.00
Customise to Check Stock

Glow-Worm Energy7 30R Regular Boiler
£1,159.10
£965.92
23 Available for Delivery
Select your local store for Stock Availability.

Glow-worm Energy7 30R (ErP) Regular Boiler, Quick-List Pack
Starting at £0.00 £0.00
Customise to Check Stock