Recent content by KemikalAli

The boiler went off around 2am, the house was freezing so I went to do some tinkering! :shock: I isolated the CH system as well as the mains eletcricity, drained down the boiler and checked the pressure on the EV.... okay, depressed the valve and it dumped its entire contents into a bowl...

Thanks Tony, I will do that in the morning, the sensor is the later type black one btw! Regards Steve.

Hi Mick, Thanks for your quick reply..... The reason for the high pressure is that the boiler shows a F75 fault and fails to fire if the pressure is anywhere less than near or in the red zone. The pressure is taken from the LCD display using the method you advise. This is my reason...

Hey Guys! I'm newly registered to the forum but have been an avid reader of all advice regarding my central heating boiler. It is a Vaillant Ecotec Pro 28 and was fitted about 3 years ago, it has been great until last year (around this time of winter) when the outside condensation pipe...