Hot water coming through cold tap at 16 degrees
Posted: Sun Mar 07, 2021 9:37 am
fitted new heating system boiler and heat exchanger
new pipe work to about 12 sinks some fitted with blending valves
first thing in the morning when i run cold tap
hot water at 16 degrees comes through for about 5 mins
pipework is lagged
pipework is not crossed
any ideas
new pipe work to about 12 sinks some fitted with blending valves
first thing in the morning when i run cold tap
hot water at 16 degrees comes through for about 5 mins
pipework is lagged
pipework is not crossed
any ideas