How to mend ... Hot Water Circulation

Myson Apollo 40S keeps shutting out!?

when I switch on the boiler (it's usually switched off when hot water is not required as the fan is noisy and ... [Read more]

How can I fix my Worcester Bosch Combi boiler?

I have a 28cdi and when you run the hot tap the water gets hotter and hotter until the pilot cuts out. After a... [Read more]

Bocsh 280 Combi Boiler will not heat radiators?

I have a Bosch 280 Combi Boiler, when asking for hot water i have no problems. When switching to heat the rad... [Read more]

How to stop hot water over run? Source spare parts? Eliminate air ingress?

Boiler is Myson Apollo 15/30. All its components check out to be working OK but the system pumps over when ho... [Read more]

Danfoss FP715 pump continues to run?

we have a problem with this controller in that even when hot water and heating are both off the circulation pu... [Read more]

Vaillant boiler turbomax plus 824 E no circulation for heatin?

Vaillant boiler turbomax plus 824 E hot water is working no ciculation to heating

Hot water circulator?

The hot water circulator in my Johnson & Starley warm air unit is not working properly as it has in the past. ... [Read more]

How can I fix my Vokera 80sp?

Radiators working fine but not getting very much hot water,about half a sink full. Fan and pump appear to be o... [Read more]

how can I fix hot water/heating problem?

I have a wm 51/3 rs baxi boiler, when we turn hot water and heating on (both do not work), the boiler comes on... [Read more]

no heating or hot water?

I have a Grant 70v3 when i ask for heating or hot water the burner wont ignite, not lock out, plenty of oil. w... [Read more]

i have a grant 70v3, ?

When the boiler calls for heating/hot water it doesn't activate the burner, no lockout, oil ok. when you ask ... [Read more]

Saunier Duval Codens F30 heat exchanger?

My Saunier Duval Codens F30 is always depressurising and also, when it works for sometime, it shows a fault co... [Read more]

baxi 105HE combi is short cycling?

my Baxi 105HE combi boiler works ok for hot water but in heating it runs for 5 seconds and off for 15 seconds ... [Read more]

How can I fix my combi boiler Ariston 28HE?

How can I stop my brand new boiler firing up every few minutes even when hot water is not requested. When i tu... [Read more]

Hotwater circulation pump?

Bungalow: Hot water system Grundfos circulation pump failed suddenly. [not c/heating one]. Q: 1 Is it poss... [Read more]

sludged pump?

Bungalow: Grundfos hot water circulation pump failure. Kitchen around 20mt from storage tank so the pump fa... [Read more]

Worcester 350 Combi Plate heat Exchanger - Is engineers diagnosis correct ?

We have a Worcester 350 Combi and recently when we have been running the hot water the system has been overhea... [Read more]

vokera options boiler fault ,please help?

my vokera options boiler cuts out after 10-15 seconds ,the flow pipe at the boiler gets very warm but rads not... [Read more]

How do you test a circulation pump on a Raven Heat Combi boiler?

Ive got a Ravenheat Combi Boiler (one without a pilot light window). A fw weeks ago it just stopped working. W... [Read more]

What is wrong with my Potterton Kingfisher 2?

My Potterton Kingfisher 2 floor standing gas-fired Central Heating boiler has started to make a very odd noise... [Read more]