Search results

  1. Y

    Boiler/Megaflo pipework vibration - sounds like a helicopter

    This has probably been done before but ......... Pressurized System, Vaillant Condensing Gas boiler, around 4 years old, Megaflo, system has 12 Rads 2 of which are towel rails. All with TRVs except one towel rail. When boiler starts there is a loud persistent noise, sounds like someone...
Back
Top