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Its a Vaillant Turbo Max Vuw and I have a Honeywell T3R wireless thermostat.
Can the boiler CH be left in the on position with the Honeywell used to switch on/off the CH as required?
I only use Manual CH on the Honeywell.
Can the boiler CH be left in the on position with the Honeywell used to switch on/off the CH as required?
I only use Manual CH on the Honeywell.