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Sadly i have checked and i dont have a thermostat installed on or near the hot water cylinder so it looks like i have fallen at the first hurdle!. Thanks very much D_Hailsham for your quick and expert advice though, we are hoping to move soon so i will probably live with the system as it...

Hi gents, i have just checked what i have and i have a Potterton Suprima HE 30HE boiler that feeds 4 radiators and also a hot water storage tank. On the pipework i have a grundfos selectric (pump?) part number 96281426 and a honeywell(3 port motorised valve?) part number V4073A1039 and my...

Thanks for the quick replies, i will get the model names/numbers when i get home tonight. Thanks again

Hello, Hopefully someone clever out there can help me out I currently have a Honeywell ST6100A installed on my Potterton central heating system and i think if i understand the jargon its a 1 channel programmer(ie it turns both the heating and the hot water on or off). I would like to...