Recent content by johnjen

could someone offer some advice on suprima pcb. went to breakdown. customer said having to reset on a reg basis now wont reset. had a look boiler not reseting. all lives in correct.overheat stat buzzing but no voltage to overheat stat. pcb? quite common ive heard but i just want to be sure that...

very informative. cheers

so in hot water mode it doesnt matter if orange wire is dead because the valve is by default open to port b?cylinder stat fine, orange wire dead for both ch and hw

i have no hotwater on y plan. programmer fine , cylinder stat ok , orange wire from m/valve dead? could anyone tell me whats wrong here. i thought m/valve electrics not used here as valve de energised open to port b? and boiler fired up by cylinder stat? many thanks

hello. could anyone tell me the symphtons of a sludge/blocked/scaled up plate exchanger? reduced dhw flow rate, dhw mode boiler overheating, erratic dhw temprature? am i right thanks. would just like to know how to diaognose these dhw issues as im starting 5 day combi fault finding course so...

so after ive got reference number do i need to inform landlord immediately so he can arrange access as im sure you know some tenants are awkard?im just confused as to if i have to chase up transco later on or is it now the responsibility of the landlord to ensure the work is completed by...

i need some advice on doing landlord certificates. recently started doing a few privately. if i have to report to transco a missing ecv, low pressure at the meter etc etc ,i recieve a reference number ,is it my responsibility to check up later if the work has actually been carried out. tenants...

expansion vessel on one of my landlords combi's has gone. is it possible to fit an additional vessel on the return pipe and just leave the knackered one in situ?? if so is there anything that needs to be done to the knackered vessel if im leaving it in situ??? thanks

theres only one handle which is one the cold side working fine. the flow pipe only has a non return valve no handle . sorry should have mentioned that

evening wee bit baffled about my boiler. boiler has got zero water pressure so topped up via filling loop qasa usual but gauge isnt . disconnected the loop from the return and water is definitely flowing through loop. someone has said the flow non return valve is prob stock there not allowing...