Recent content by stfe1203

I switched it off at the mains this morning with the programmer both in the off position. The pump started up straight away but then cut out after a few minutes with the 3 port valve in hot water only position. After 15mins or so the pump & boiler started back up again and has been turning...

Yes I have a myson plus MPE322.

Just had a look at the manual for the boiler on the potterton website. There is no mention of a frost stat. Just to add also that there is interference with the tv now as well when the boiler turns off and a short rasping noise.

Thanks alot. I will do.

Thanks for the replies. The actuator to the 3 port valve was changed not so long ago because the motor had burnt out. The spindle on the valve feels free enough tho and the actuator is operating correctly. Also noticed today that with the heating and dht turned on on the programmer/timer the...

Hi I am hoping somebody could shed some light on a problem that I am suffering at the moment with my central heating. I have a standard y plan system with Potterton Prima b 40 boiler with cylinder thermostat and room thermostat. The boiler keeps short cycling constantly for very short...