Recent content by cronic

Can i just say what great forum/resource...! Thank you Waterworks you were spot on...! Although diagnosing which of the 2 2-Way Valves (SUNVIC) was faulty was not quite as easy...both seemed to be operating the valves...but neither seemed to send the signal to shut down the boiler/pump... I...

That sounds like a simple check...i'll get on that this eve and let you know... you mentioned its most likely the Central Heating Valve...though i think that one is working fine...? Please could you explain why you think its the CH valve and not the HW valve...

FYI there are two valves...when the room stat was to temp the CH valve closed... i guess the HW valve would have to be open for the water tank to heat up...even if the HW was set to off on the horstmann controller...

I'll have to check tonight...as i'm not at home...guess i should have noted that one down...thanks for the reply.

Hi folks... My household HW/CH system (Potterton Profile 60e / Grundfoss Pump) has worked without fault for x3yrs...after the weather recently turned a bit colder i decieded to switch on the CH program on the Horstmann controller....all seemed well. HW cycle had been working fine....CH...