We have a potterton Suprima 30 boiler which keeps locking out due to over heating. We have already replaced the PCB & Thermistor & Overheat Stat none of these have resoved our problem. Could it now be the pump is there any way of checking to see if it is faulty. Can anyone help before we have to spend any more money !!!!
boiler overheat lock out Please help !!!
- Thread starter buckwell64
- Start date
Sponsored Links
- Joined
- 2 Nov 2005
- Messages
- 3,395
- Reaction score
- 245
- Country
Is the pump wired through the boiler. Check to see if the pump continues to run after a demand.
- Joined
- 21 May 2005
- Messages
- 1,294
- Reaction score
- 134
- Country
check you have a bypass on the system especially if it is an s-plan with 2x 2 port valves 
Sponsored Links
How do i check if we have a bypass what do you mean by s-plan ?????
DIYnot Local
Staff member
If you need to find a tradesperson to get your job done, please try our local search below, or if you are doing it yourself you can find suppliers local to you.
Select the supplier or trade you require, enter your location to begin your search.
Are you a trade or supplier? You can create your listing free at DIYnot Local
