I have adjusted the pressure switch in my motorhome as we were struggling to get all taps working. All taps are working fine now but we have noticed a hissing noise coming from Caver Cascade water heater when the taps and pump are not even on. Can't see any sign of leaking unless it is somewhere we can't see. Can anyone help please.
Gas hasn't been on. Only putting 12v battery on when using pump to investigate the problem and turn on taps.I have only just put a new drain plug and O ring on the van. But thanks for your advice. Could there still be air in the heater even though all the taps seem to be flowing smoothly. Could it be anything to do with the pressure switch? we are due to go away next week so think we may be using water carriers!
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