hi, ive been told that when having a new combi boiler system installed that you have to change both valves on the rads because the pressures are different from when you have had old systems on to new systems. It was a really old G rated system we had before and the rads are over 30 years old. the person whos fittted the system only put thermostat valves on the rads but didnt change the opposite valves. what are peoples viewson this? thanks for the help everyone
thermostat valves
- Thread starter scrapmandave
- Start date
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