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Just installed a new DHW flow switch and microswitch on my Potterton Puma 100 as the diaphragm was passing water and had corroded the whole thing and shorted out the boiler. Install went OK and HW works fine now, but I notice that if I open and close a cold water tap quickly then it moves the...

I have a 5 year old LEC fridge with Danfoss compressor which just hums and gets hot to touch - doesn't sound like it is turning over. Compressor windings measure 44 ohms and 38 ohms and no measurable short. Capacitor is specified as 4 uF but when measured reads 1.5 uF. Hope it isn't the...

My boiler doesn't fire up the full burner when I request CH. Read couple of posts on here and followed the trouble shoot in the manual. HW works fine, pump spinning, fan on/off after HW. Thought I'd isolated it to the CH temperature sensor. Borrowed my neighbour's Ohm meter and get 3.3 k...