How to mend ... Switch Valve Diaphragm

How do I repressurise my cb28?

I have just changed lthe heat exchange and switch and put new diverta valve diaphragm in with new washers but ... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

Problem with Vokera 80SP combi boiler?

My Vokera Excell 80SP has developed a fault in which I have no hot water or central heating. The pilot light i... [Read more]

ravenheat csi 85a-csi 85at combi boiler?

I have the above mentioned combi boiler, the heating has now stopped working, DHW is running fine. I have noti... [Read more]

No Hot Water?

I have a Vaillant Turbo maxVUW242E and the DHW operation has failed. I have changed the micro switch and diaph... [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]

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]

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]

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]

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]

Ideal Standard 2 button c/c cistern lid jammed?

My w.c. lid & button assy has jammed on & I need to remove it as either the diaphragm or the inlet valve are f... [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]

Sime Super 90 DHW/divertor valve problems HELP!?

Just replaced the diaphragm in the diverter valve, and lubricated the spindle with silicone grease. Although t... [Read more]

Vaillant Turbomax VUW242E No hot water?

I have a Vaillant Turbomax VUW242E boiler,Heating is ok but not getting any hot water. I have replaced the DH... [Read more]

Why is my Vaillant Turbomax VUW boiler pressure dropping after a service??

Hi, I had my boiler serviced and repaired (replacement diaphragm and push rod as micro switch wasn't workin... [Read more]

worcester bosch 230 combi rsf?

No hot water, only when central heating on. I have identified the problem as being the diaphragm plunger is... [Read more]

vaillant vcw-gb 242 eh not igniting to either heat dhw or ch?

boiler was drained to look at water valve diaphragm as central heating was not working (ie) diverter valve no... [Read more]

Sime 80?

My Sime Format 80 was not giving any hot water but the heating was OK. I checked the diaphragm and it was dam... [Read more]