How to mend ... Heating Valve Boiler

How can I fix my Vaillant Ecotec Plus 428 boiler problem?

When the outside temperature is very cold, and the boiler fires up to heat domestic water and/or the central h... [Read more]

Dhw only Luke warm?

Hi ,I have a vaillant 828e T/max dhw is Luke warm at its very best, I have replaced thermistor 1,cleaned plate... [Read more]

Pressure constantly dropping and then the heating will not operate?

The pressure is set at approximately 1.5-2.0 bar. Over a period of 3-4 days the pressure drops to below 1.0 b... [Read more]

halstead boiler problem?

my cbx boiler has stopped changing between c.heating and hot water.there isnt a diaphragm,but an electric moto... [Read more]

Ariston SX20 mffice hot water ok but no CH?

My eurocombi operates in hot water mode ok. When you switch on the heating the fan runs but the boiler does n... [Read more]

How do i fix my worcester 24i combi boiler?

my worcester 24i boiler has no flame - no hot water or heating - I've tried to re-pressurise by opening the wa... [Read more]

boiler problem?

hi i have a potterton suprima boiler - i have had a new gas valve put on and also new circuit board put on - t... [Read more]

Loss of heating water?

When I top up the system to 1.5 bar the water is thrown back out the pressure valve when the boiler runs up to... [Read more]

boiler pressure?

Main Combi 24 HE the pressure went above 3 and the relief valve went off. I released the pressure by letting ... [Read more]

New replacement Netaheat profile pcb not working?

What is the problem my new replacement pcb will now not work without me banging or jolting it then it sparks u... [Read more]

potteron pipe connection diagramme?

hi i have a potterton floor standing boiler about 20 years old. i am upgrading to one of the new boilers what... [Read more]

Alpha 240p boiler problem. ?

Hot tap turned on, diverted valve functions and presses microswitch but gas does not ignite. Pilot light is on... [Read more]

i have glow-worm flexicom cx 30 no hot water?

heating works fine but boiler doesnt even try to fire with hot tap on and i can see the pin on the diverter mo... [Read more]

how can i fix GREENSTAR 24i junior / 28i junior combi boiler?

just bled radiators for first time. Now all radiators have gone cold but heating is still on. Dont know what t... [Read more]

ariston microgenus 23 mffi ?

My boiler's hot water goes hot & cold when running.It also heats the radiators when hot water is running.It al... [Read more]

Problem with Ideal ISAR HE24 ?

I have just fitted replacement PCB to my daughter's HE24 boiler as there was no LED display & no hot water or ... [Read more]

have a boiler no hot water 28cdi?

worcester boiler 28cdi have central heating working ok hot water will not turn on downstairs bathroom turn wat... [Read more]

digistat appears o.k but heating not working?

digistat and rf 601 stat appear to be working but the boiler will only supply hot water the motorised valve is... [Read more]

Hot water but no central heating?

Hi, having an odd problem with the heating today. i can get as much hot water as i want but cannot persuade... [Read more]

Baxi platinum 33he vibrating banging noise?

Hi, I have a Baxi Platinum 33he The boiler has been installed now for 3 yrs just recently I had the fillin... [Read more]