I have a megaflo central heating/hot water system. Been working fine for years but now the boiler fires up on it's own when the CH and HW are both off, only does it for a few minutes at a time but It's very confusing. Changed the timer controller but same problem....help
plumbbob
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Post by plumbbob »
Sun Sep 19, 2010 7:51 pm
Do you have a dodgy frost thermostat?
StevenG
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Post by StevenG »
Sat Sep 25, 2010 7:18 am
plumbbob wrote:Do you have a dodgy frost thermostat?
is that the same as the room thermostat? if so it seems fine, switches off and on at selected temp.....
