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Bosch Greenstar floor mount combi P151 (kwb42-3) boiler pressure
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pwoll
Member Posts: 2
I have a Bosch Greenstar fs combi kwb42-3 boiler with a pressure gauge that is resting
less than 1 bar and need to top up the pressure to 1 bar. Need to know how to top up
the pressure. I cannot find and key or keyless valves in the unit.
less than 1 bar and need to top up the pressure to 1 bar. Need to know how to top up
the pressure. I cannot find and key or keyless valves in the unit.
0
Comments
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1 bar is 15 psi so that is plenty.
Post a few pictures.
There must be a city water make up pipe feeding the boiler with a pressure reducing valve on it.
Unless you have antifreeze in the system?0 -
Ed
Yes there is a city water make up pipe feeding the boiler with a auto fill (green) valve on it. No other
valves after the auto fill valve. That the problem. See attached pics. Any ideas?
0 -
Take a close up pic of that valve on your last picture. See what the numbers say on the tagAnyway that’s the domestic water (or) plumbing, nothing to do with the 1 Bar dial0
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