Hi need some help with my central heating system, the problem seems to be that you can hear the flow of water through some of the rads, i put the pipework in myself which is 22mm supply and return with 15mm going to the rads, the boiler i did not install which is a worcester bosch 35cdi,it is running 13 rads on three floors the boiler being on the ground floor all the rads have trvs fitted and the one in the bathroom is left open can anyone make any suggestions as how to stop this noise please :?:
water flow problem ?
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