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We replaced the pump last year. Fingers crossed I think I have found the problem. I opened up the motorised valve on the heating circut and found that the manual override was a bit bent causing the gear to jam. Moreover putting the override in "open" actually didn't do anything. The gears...

Aside from standing at the boiler in the wee hours of the morning I don't know when it goes off. I have gone around again and bleed all the rads and did find some air pockets that have moved around the system since being power flushed. I have a laser therm. so I will try to find out return temp...

Hi Mick how have you locked the CH valve open? Our plumber locked the valve in the open position and put a match behind it. By central stat do you mean the "boiler control stat" or "overheat 'stat"? Boiler control stat When the room 'stat reduces to the lower setting does the...

I assume you have to reset the overheat - the button underneath. Yes Is there a by-pass fitted? By pass is fitted and have the fully closed to force water through the system as the CH valve has been locked on open what number is the boiler 'stat on? Have had it on 5 during...

Hello Hope somebody can help with this. Our boiler locks out every morning. We have had a number of plumbers come by to all claim to fix the problem but none return when it stumps them. This problem has come and gone. We had the system powerflushed on the recommendation that it was a...