Search results

It turned out it was the Photoresister, thanks again Boilerman2. Replacement was not straight forward. I ordered a Photo Cell for the control box model Siemens LOA24.171B2B which I have. What arrived was a small black photo cell with long flyleads. When I took the old photo cell out it turned...

I don’t have the means to test the co/2 or the FGT ? which I assume is the flue gas temperature. The boiler and burner are only 2 years old, its been cleaned out and a new nozzle fitted every year and has been operating fine until now. I’ll either have to get someone in or try and borrow the...

I have a Sterling 40 that locks out on start up when the boiler is cold. The burner fires and after 4/5 seconds it locks out. If you wait the prescribed time before pressing the reset it the fires and works as normal i.e. works away coming on and off with the boiler thermostat until the room...