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Hi guys Ive installed my system today everything went better than i thought it would now this is a nice bit of kit espically as its wire free, Now i have installed these sensors correctly and positioned them just under my coaving and one in the kitchen, but when i walk past them when the...

Well before Christmas the boiler wouldn't light at all we had to use electric heaters in the house to keep it warm f33 fault again few days later it lit again and now it's not working says f33 return sensor fault or DHF Sensor Fault I'm trying to find the part but can't find it Yeh npower...

Hi I have a Ferroli Optimax 25c Boiler which ive had a few problems with until now it has fully stopped working, My boiler is displaying error code F33 which someone on this forum has stated it could be the return sensor fault or DHW Sensor which is not funcitioning or not working at all...