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f25 fault on eco max 800 valiant boiler?i have read manual and it says water switch my have been turned off by mistake,BUT WHERE IS IT,in relation to top up valve,pressure clock keeps dropping to zero,
dave January 2012
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Click here if you can answer this question |
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The pressure guage dropping to zero is what's causing your fault, I don't know where you read anything about things being switched off, but it simply isn't the case.
Top the boiler up to 1 bar (green area on the guage), check the system for leaks, if the system is not leaking, start suspecting the expansion vessel which may need re-pressurising/replacing especially if the pressure rises significantly with the CH on, this will leak through the prv (which may need replaing at the same time).
Carefree January 2012 |
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