Mend > Home Heating Systems

vaillant 828E?

my boiler wont work and keeps coming up F28 what does this mean and how can i put it right

worcester digistat for 28cdi?

I have just installed a worcester digistat to my boiler, i followed all instructions to the letter. The unit ... [Read more]

Saunier Duval circuit transistor "ZTX792A" equivalent?

There is a transistor on Saunier Duval control circuit which i don't know any equivalent for? What to replace... [Read more]

how can i fix my rerroli optima 701?

i got a ferroli optima 701 and can only get hot water intermitantly , i've changed the temp sensor switch and ... [Read more]

Ideal Classic?

i have an Ideal Classic boiler, the pilot light stays lit but will not ignite when the hw or ch is switched on... [Read more]

Red Recieve light constantly flashing wireless Digistat RF2?

Hi, I have a Drayton Digistat RF2 wireless system that has worked OK for about two and half years, however ... [Read more]

How do I reset the pressure on my boiler?

Please could somebody tell me how to reset the pressure on a Worcester Bosch 24Si11. Thank you. Elly

sime boiler freindly format 80 keeps shutting down hot water?

the light on the heating radiator side flashes from green to orange.and heater shuts itself down

Why does my Volkera Option cycle on and off when the mixer shower is on?

Have a volkera option combi boiler. Operates fine with hot taps upstairs and downstairs and with central heat... [Read more]

How to fix boiler?

How do i fix my vaillant boiler?

Myson orion 30b?

Hi,My boiler poilet will light but when either the heating or hot water calls for a command i cannot get full ... [Read more]

boiler keeps turning off and on?

ravenheatcsi85 boiler heating keeps firing up and then turning off but hot water is ok

Where can i by central heating water pressure swith ?

Combination Boiler from Chaffoteaux & Maury (2001) Britony Combi SE

How to fix my potterton Netaheat Profile 8oe boiler?

I have a potterton Netaheat Profile 80e, the pilot light is not on and I followed instruction to light the boi... [Read more]

Potterton Suprima keeps cutting out?

We have a Potterton Suprima 40 which keeps cutting out. We have to keep pressing the flashing red reset butto... [Read more]

vokera mynite 28se?

pressure rises to 3 bar causing pressure relief to open

how can i fix my ravenheat electronic ignition modulating boiler?

I think it is the reset botton it is not kicking in when i push it in it gos on but when i take my finger of t... [Read more]

Problem with my back boiler?

Every since I had my back boiler serviced the radiators in the upper level of the house heats up when the cent... [Read more]

pilot keeps going out on my raven heat 820/20?

can anyone help? the pilot light keeps going out when i use the hot water,it runs fine but when i turn the tap... [Read more]

Heat on demand boiler + tank steup?

Is there an off the shelf component that will let me sense when a ground level hot water tank is full (supplie... [Read more]