valiant pressure on 3.0

rocketnadz · Posted: Fri Jun 22, 2007 11:45 pm Post Subject: valiant pressure on 3.0

please help
pressure on my combi boiler should be 1.5 but its on 3.0 .
i have to open tap fully for a along time only then hot water starts to come out any solutions to this problem

Gasman1015 · Posted: Sat Jun 23, 2007 12:02 am Post Subject:

The filling loop is letting by.

The expansion vessel is knackered.

The divertor/diaphragm/water valve is worn.

Just to start you off.

More concise information would be useful

gas4you · Posted: Sat Jun 23, 2007 10:26 am Post Subject:

Yeah like which Vaillant combi it is for starters

__________________
Dave
DRL Gas Services

weareleeds · Posted: Sat Jun 23, 2007 12:20 pm Post Subject:

Could also be plate heat exchanger passing