Potterton Puma80e heating keeps going off

[J4Gal]

Works most of time........now and then the heating will just turn off, boiler ok, hot water ok.........just heating wont work

sometimes if i turn it on and off the flame light will start up and it will work........but now and then like today, the heating will come on but switch off after like 30secs or 1min

please help!!

winter is here! lol

 

[baxpoti]

Pump or wax diverter not functioning correctly

 

[J4Gal]

thanks, they expensive to replace?

 

[bengasman]

Knowing the boiler my first guess would be the waxcapsule, if it is the pump it would probably be less intermittent. Depending on location I would expect between 200 and 300

 

[J4Gal]

thanks guys