How to mend ... Diverter Valve Fires

Heating/Hot Water Problems with Ravenheat RSF100ET?

Hi Original problem was not very hot DHW, but burner running flat out. Changed both DHW and CH thermistors, ... [Read more]

alpha 280e problem?

hello guys . this boiler has started screaming when the heating fires up ,and when hot tap ran . took cover of... [Read more]

Ravenheat boiler with no hot water?

Have a CSI 85..CH is working fine but hot water is non existent. Started out intermittent.. Boiler fires up ... [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]

Baxi Maxflow Combi Fs?

The heating system works only if there is a call placed on the water ie actually running the water. Once this ... [Read more]

low hot water temp?

After 1 years faithful service my ravenheat c120 has decided to play up. The hot water fires up and then cools... [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 Can I Fix A Potterton EP2002 Heating System?

My daughter has a Potterton EP2002 system with a Potterton Suprima 40L boiler and a MPE322 diverter valve. Th... [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]

ravenheat whitestar LS80T?

Hi I have a Ravenheat whitestar LS80T and I have no central heating but still have hot runing water, if i turn... [Read more]

vailiant turbo max hot cold fluctuating water temp?

Our boiler continually fires up and goes out every 5-10mins giving a fluctuation in hot water temp from stone ... [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]

glow worm compact 80e?

got the above boiler which works fine on heating i.e diverter valve switches over, fan and pump starts, fires ... [Read more]

ecomax 824?

when i turn boiler on it fires up then overheats and turns of. diverter valve looks fine push the rod easy.... [Read more]

ravenheat rsf 820 fault?

hi guys, ive got a problem with my ravenheat boiler,it fires up perfect for central heating but only lately wh... [Read more]

hot water cuts out on worcester 24cdi(tank fed)?

when the tap is open the boiler fires up and runs for roughly one minute then will cut out, im thinking its a ... [Read more]

Ariston Euro Combi - Hot Water problem?

Euro Combi SX 20 MFFICE (GC No: 4711602) A few weeks agao, I had a problem with my heating - cured by chang... [Read more]

ideal isar he 24?

ideal isar he 24 dhw open tap to draw hot water the boiler fires up and pump is running fine, it can take 20... [Read more]

I'm such a clever so & so!?

I've sorted the answer to my own problem (as below)...a new diverter valve spindle kit is required! Help! H... [Read more]

Help! Heat Line problem?

What is causing poor hot water flow to all taps? So much so, that when one tap is turned on (with only more th... [Read more]