How to mend ... Diaphragm Valve Boiler

a leek on a baxi 105 HE boiler?

I got a leek where the grub screws secure the dhw pressure differetial valve to the diverter valve is a nut on... [Read more]

Baxi 105e clunking noise every time I turn a hot water tap off?

Baxi 105e 4 years old. Whilst the boiler seems to operate properly, every time you turn off a hot tap in the h... [Read more]

How do I fit a new diaphragm to RFS 820/20 boiler?

What is the procedure for fitting a new Diaphragm (part no. 5012051) for a 3 way valve on a RFS 820/20 Ravenh... [Read more]

No Hot water from combi?

I have a 10 year old Vokera Linea 28. I have no hot or cold water coming through the taps at all. The central ... [Read more]

brittany combi se 80 hot water fault?

guys, i have the above boiler, and before xmas had a problem where i had no hot water, i called an engineer w... [Read more]

My Ariston combi boiler is misbehaving!?

The boiler sounds like it is going to fire up but doesn't. I never know whether it will work or not. Having ... [Read more]

vaillant turbo max?

only have hot water when heating is on , have changed diaphragm, still same , if boiler on hot water only, and... [Read more]

i have ea fault code on my worcester 30cdi greenstar?

I have EA fault code on the above boiler.changed electrodes and cheacked gas valve/fan diaphragm to no avail.P... [Read more]

How do I change the diaphragm in the diverter valve of a Ariston Euro Combi?

Hi, can anyone advise me how to replace the diaphragm in the diverter valve of my Ariston Euro Combi boiler. ... [Read more]

How can I replace diaphragm without my instruction manual ?

My Vaillant ( think it's a turbo as has black panel with green knobs as described by others ) is ten years old... [Read more]

How do I fix my Main Combi 24E Boiler leak?

Boiler is 3 yrs old, has been reliable and continues to work but I have a steady drip leak from immediately be... [Read more]

Ravenheat RSF No Hot Water?

I’ve changed the diaphragm in the diverter valve of a Ravenheat RSF . The rod is still not making contact wi... [Read more]

my ariston microgenus combi when i use the shower will fire up but no hot w?

is the problem the diverter valve if the boiler fires up for hot water but doesn't heat the water.this happens... [Read more]

Vokera boiler works in heating mode but not Hot water only mode?

I have a problem with my boiler it is a Vokera 20-80 RS flowmatic. The flowswitch tries to move but does not o... [Read more]

Why does my Aplha 280E Boiler fail to light now & again?

My Alpha 280E boiler has the following problem -9 times out of 10 it is OK. Sometimes, you switch on the combi... [Read more]

Vaillant TurboMax Diverter Valve problem?

I'm sick of repairing this TurboMax. First, a history of problems. The diverter valve, then a switch on th... [Read more]

Central heating boiler ignition lockout?

I have an ongoing problem with my boiler, a Worcester Bosch 28Cdi. From time to time the central heating ligh... [Read more]

24 CDI Water Problem?

I have a 24 CDI. The hot water is only running luke warm. I have taken off the microswitch on the diverter val... [Read more]

where is the diaphragm on the diverter valve for a potterton 24 boiler? ?

where is the diaphragm on the diverter valve and could anyone please give me some instructions on how to repla... [Read more]

Halstead Boiler - CH working but no hot water?

Hi, I've got a Halstead Quattro Gold combi boiler, the other day the hot water stopped working but the cent... [Read more]