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Hi everyone
I have an issue with my potterton prima boiler and would love some help. It works fine when either CH or HW are on but when they are off the boiler will fire up briefly and cut out again, it appears to be random and for 1\2 sec or severely seconds, it will continue doing this. I am turning off the power over night to stop it doing this.
My system is and old gravity-fed one, so I have HW or HW and CH. It had been working fine until last week, because the boiler seemed fine when CH or HW are on then I assumed (wrongly) that it was a control problem. Which is why I changed the old rotary dial switchmaster for a hive mini, but I still have the issue. This makes me think it's a problem with the boiler making it fire up without a signal from the controller.
I have an issue with my potterton prima boiler and would love some help. It works fine when either CH or HW are on but when they are off the boiler will fire up briefly and cut out again, it appears to be random and for 1\2 sec or severely seconds, it will continue doing this. I am turning off the power over night to stop it doing this.
My system is and old gravity-fed one, so I have HW or HW and CH. It had been working fine until last week, because the boiler seemed fine when CH or HW are on then I assumed (wrongly) that it was a control problem. Which is why I changed the old rotary dial switchmaster for a hive mini, but I still have the issue. This makes me think it's a problem with the boiler making it fire up without a signal from the controller.