Central Heating Pump
- Thread starter notb665
- Start date
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it's a combi boiler and combi boilers have a built in pump.
OK thanks. My central heating is set up like this, but without the 2 port zone valve on the radiator part.
I can switch the radiators on via a room thermostat without the underfloor heating on, but when the underfloor heating is on, the radiators are on regardless of what the room thermostat is doing.
I am trying to work out why.
I can switch the radiators on via a room thermostat without the underfloor heating on, but when the underfloor heating is on, the radiators are on regardless of what the room thermostat is doing.
I am trying to work out why.
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So should the radiator part have a 2 port zone valve too?
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