put new valliant 624 in , powerflushed ect tf1
put new honeywell y plan kit , three port , room stat , programmer , cyl stat , 10 conector block wiring centre
have problem when on heating only rads are piping hot ( good )
switch of ch put on hw and it works fine also
put both on programmer ch + hw water heats but rads cool off ?
what could be the problem ?
double check wiring to plan and is exact ?
put new honeywell y plan kit , three port , room stat , programmer , cyl stat , 10 conector block wiring centre
have problem when on heating only rads are piping hot ( good )
switch of ch put on hw and it works fine also
put both on programmer ch + hw water heats but rads cool off ?
what could be the problem ?
double check wiring to plan and is exact ?