Unvented System - Groan/Water Hammer when opening hot faucet.
- Thread starter barki
- Start date
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Flick the pressure vessel with your finger (not very technical, I know)
If the vessel sounds hollow, it won't need repressurising. Some vessels have to be mounted horizontally because of noise. Sometimes a non return valve letting by on a shower valve will cause hammering as well
If the vessel sounds hollow, it won't need repressurising. Some vessels have to be mounted horizontally because of noise. Sometimes a non return valve letting by on a shower valve will cause hammering as well
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