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No, the 2 gas boilers are in the house, in the utility room. I usually leave the heat on for two hours early morning and two late evening while we are away. The house is a large old stone one and it would cost a fortune to leave the heat on all the time. There is no central thermostat, the...

Frost stat is needed if we are away. Don't want the pipes in the attic/house to freeze. Shall have to make sure the hotwater is not the last port of call before we go away. I wonder if the general public are aware of this? Is it normal for the powerhead to remain very hot to the touch after the...

I have just had a (new) replacement powerhead(40003916-003) fitted to my Honeywell V4073A mid-position valve. I notice that after the central heating turns off, the powerhead remains very hot. The package info mentions that the powerhead will remain warm, but mine remains HOT indefinitely with...