How to refill a combi boiler After draining a combi boiler, you'll need to refill the system with water. To do this, you'll need to find the filling loop. The filling loop connects the mains water pipe to the central heating pipe. It's normally underneath the boiler and …
31/8/2019 · Combination boiler or combi boilers are the most commonly type of boilers which are used in UK for a reason. Unlike the system and conventional boilers which requires a hot storage cylinder, the combination cylinder is an all in one unit which produces hot water for taps and central heating.
19/12/2020 · How To Drain And refill central heating system With A Combi Boiler Once the above is complete, it is now time to refill your central heating system. There will be a filling loop nearby to the boiler. This loop will return the pressure in your combi boiler to the
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