Flow and return when swapping combi.

Fallout · 4 Jun 2019

If swapping a combi does it matter if you swap the flow and return around under the boiler? I'd reverse flow rad. Valves are on the system.

gas112 · 4 Jun 2019

trvs might be a problem if they are not bi directional they may sound like a machine gun when trying to shut down if on wrong side

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Flow and return when swapping combi.

Fallout

gas112

DIYnot Local

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