New two-port valve - water hammer on opening
New two-port valve - water hammer on opening
We had a new gas boiler fitted to an existing Y-plan system back in July but, after several months on DHW only, we turned the CH on and now get a loud water hammer from the new DHW two-port valve OPENING when the pressurised hot water tank calls for heat.
We can provoke the bang by manually opening the DHW two-port via the lever, but how do we stop this noisy bang & rattle happening every time the HW tank feels it’s less than a toasty 55ºC?
Investigations so far:
The hammer-on-open noise...
Read more
by dylan_t42
This has been automatically posted in the DIYNot Forum on DIY Talk. The new DIY Forum
New two-port valve - water hammer on opening
We had a new gas boiler fitted to an existing Y-plan system back in July but, after several months on DHW only, we turned the CH on and now get a loud water hammer from the new DHW two-port valve OPENING when the pressurised hot water tank calls for heat.
We can provoke the bang by manually opening the DHW two-port via the lever, but how do we stop this noisy bang & rattle happening every time the HW tank feels it’s less than a toasty 55ºC?
Investigations so far:
The hammer-on-open noise...
Read more
by dylan_t42
This has been automatically posted in the DIYNot Forum on DIY Talk. The new DIY Forum