Recent content by NigelC

System - Gravity fed basic CH system, Rad Stats (no room Stat) , 2 motorised valves (one for Hot water and other for CH) Grundfos UPS2 Pump (fairly new 2-3 years old). Went to turn Hot Water on and the controller (Honeywell ST699) was dead, evetually found a 3 amp fuse in the boiler electrical...