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- 30 Jan 2024
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I'm going round and round in circles looking for the simplest method to replace the TRV and lockshield valve on a downstairs radiator. I have a combi boiler.. The rad is currently off the wall as we are decorating.
Is my only option to fully drain the system? Can I partially drain and then replace the valves?
To partially drain do I:
- Turn off boiler (do I have to close anything here?!)
- Close lockshield and TRVs on all radiators
- Crack nut on the valve I want to change to release pressure
- Change valves
- Refill
TIA
Is my only option to fully drain the system? Can I partially drain and then replace the valves?
To partially drain do I:
- Turn off boiler (do I have to close anything here?!)
- Close lockshield and TRVs on all radiators
- Crack nut on the valve I want to change to release pressure
- Change valves
- Refill
TIA
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