Recent content by dazo

1 drained system over weekend flushed with mains water several time. 2 vented all rads pump. 3 added white powder ( after acid cleaner been in 4 days .) 4 water can be heard gushing around system seems to have good flow if not better than ever. 5 flow and return pipes only warm so are rads...

the whole pump replaced.

comes in crystals what are mixed with warm water if its any help. sorry if it doest help.

yes expensive. drained and put some ds something or other??.

sorry new pump fitted as pointed to blockage or pump now rads all over hse getting warm then after 8 mins boiler cuts out. plumber seems to think blockage??. heat ex scaled up due to pump or blockage(ie water in boiler just sitting there. but flow chart points to over heat stat??? any...

new pump fitted

up date on boiler plumber advised descaler to be added to water after draining says possible blockage ie heat cannot get out of heat ex hence boiler cuts out or faulty overheat stat . fault boiler lights heats up rads warm cuts out but trying to relight. any ideas or input would be greatfull.

back again some of you my have read last problem with pump (ch at wits end)replaced pump (new) had another bash today vented drained system seemed ok boiler starts now have warm not hot rads up and down(suspected air lock)but for some reason boiler cutting out just after it lights trying to...

thanks for advice will try tomoz ley you know how i get on.

acs thanks for your input pump volts ok 1st thing tested (sparky by trade)so have a bit of understanding about c/h wiring anyway pump gets hot so no curculation we would call it in electrical curcuit resistance hence blockage your ideas would be good you seem to knoe what your talking about .

softus new pump brand new so cant be pump

new news changed pump still same,still boiler bubbles away when cuts out seems like water falling back in to boiler any ideas?????.

reply to chris pipes go up 1st rad allmost on top of boiler.

sorry guys removed pump(grudfos pump) spining ok but not under pressure of water is it worth trying new one only rad nearest to boiler getting hot return pipe very cold how can i vent boiler its self?,everything av on forum points to pump. pump body hot hope its some use help!!!!

myson appollo fan fair boiler drained system inspected pump seems ok,pump on return flow flow pipe hot mad hot return pipe cold could heat exchanger be blocked at wits end please help