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Hello Guys, I've got a problem with a VCW242EH Vaillant boiler. It runs the radiators ok, but just provides luke warm DHW. I've checked the pump and diverter, which look fine. When the DHW is running flat out the water on the boiler side gets very hot, but the DHW doesn't seem...

Hello, I have a potterton puma 80 permanent pilot boiler, which is sporadically losing it's pilot. Sometimes it will run for a few days, sometimes it loses it overnight, or during the day. I have replaced the Thermocouple twice now, just to make sure, and it's still doing the same...

Hello Guys, I wonder if any of you have come across this problem before? I have a potterton puma 80 permanent pilot combi boiler. When the DHW is used, the boiler dumps all it's water out of the ovepressure valve, just after the tap has been closed. I watched it at the...