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Inverness

Inverness

Plumbers Arms member
Plumber
Gas Engineer
Messages
710
hi guys, customer has a intergas combi but there is a flow restrictor been installed on the cold going into the combi. Reason being the cold supply pressure too high. And when using a mixer shower the temperture was fluxuating hot and cold, new shower.
But from time to time the shower water still remains too hot or too cold.
Would I be correct in saying a pressure reducing valve on the water main would help? It's obviously too high? Also why do intergas boilers not have a pressure reducing device built in for the dhw out?
 

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