aquadial/check valve

Billybjo · 22 Jul 2008

I purchased a non return valve for this, but noticed even though its a 22mm one, the centre does seem to go down to about 15mm or thereabouts.

Is it possible to get 22mm full bore non return valves? Where?

Do you think it will make much difference to the hot water pressure (it's quite high already) if I fit the NRV I bought?

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aquadial/check valve

Billybjo

DIYnot Local

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