hi just upgrade central heating controls [ salus /glowworm] connected everthing up using there wiring centre but ive got two wires im not sure where they go at the boiler end there is a black wire with a red tag going to the boiler connecter block marked pump live and a red wire going to the boiler connector block marked on . the boiler terminal block looks like this ,e,n,l mains in the block the HW,CH,CHOFF, ON then a block of two saying PUMP LIVE , PUMP NEUTRAL. not sure were to connect the two wires at the wiring centre i think the blackwire with the red tag was connected to the frost stat SLive but by the time i realised whoops any help would be most welcome cheers ,by the way the boiler is a myson apollo 40s ,ps the controls work [there asking for heat but the boiler wont fire up also the pump live at the connector block goes to the pump overun thermostat . cheers kungydungy