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Thermostatic Valve, fit to Flow or Return?
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- flow return thermostatic valve
View the thread, titled "Thermostatic Valve, fit to Flow or Return?" which is posted in UK Plumbers Forums on UK Plumbers Forums.
It depends which valve you have , but most nowadays are bi-directional so it doesn’t matter.
However.
On a vertical rad quite often the direction of flow is critical - it should tell you this , but it doesn’t matter if trv is on flow or return.
However.
On a vertical rad quite often the direction of flow is critical - it should tell you this , but it doesn’t matter if trv is on flow or return.
Recommend to fit on the flow pipe
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