Recent content by johnsmith0774

fixed it! it was the pump, obviously not sending the water round quickly enough and the boiler thought it had reached the right temperature. it cycles at about every 5 minutes now on hot water. i think this may be acceptable given the short route of the pipework from boiler to tank and back...

hi guys, my potterton 50l is doing exactly the same thing as you are talking about here. turning on for 1 minute and switching off for 3 or 4 before firing again for a minute. tried taking the thermistor out of pipe but keeping it connected and this didnt't work. i bought a pcb 511603 on...