Discuss Evohome boiler interlock in the Central Heating Systems area at ElectriciansForums.net

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Hello,

I have an Honeywell evohome sytsem at my house.

I have 6 valve TRV's installed on the radiators and 2 radiators that currently do not have any valves until i change them.

The relay box has been installed attached to the boiler and can be turned on and off via my phone and the evotouch box.

The problem is, the boiler is firing and heating up the other radiators that don't have the valves on, even when the command is not being sent by the relay box to turn the radiators on as there is not a demand for heat. Is there anyway to stop this as it is kind of defeating the object of having the system if the boiler is turning on to heat non valved radiators?


Does the evohome need a boiler interlock wired in or should that be part of the installation of the relay box?

Kind Regards
 

freddo

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