How to mend ... Hw Fine Ch

Vaillant boiler won't stay 'on'?

My Vaillant CH boiler 242 EB Combi - LPG fuel from 2x87kg cylinders Refuses to stay on; when the heating is o... [Read more]

Whats wrong with my EP 3000 prgrammer?

Switched onto 24 hours HW & CH works fine but switched to Twice a day and sometimes it will switch sometimes n... [Read more]

Y Plan - Mid Position Valve 'fault'?

Hi, I have BGMVSP-23 'mid position' valve. (I believe a Y plan setup) Basically the pump only runs when ... [Read more]

My ferroli optimax HE25S does not shut down?

I have an intermittant problem with my ferroli optimax HE25S. Sometimes the CH side does not shut down when th... [Read more]

No HW but HW+CH works fine?

Hi Just bought a new house but got problems with the hot water. When I switch both HW+CH everything's ok. I... [Read more]

worcester greenstar?

my worcester greenstar 440 drops pressure when the hw is used it starts to make a noise like the pump is runni... [Read more]

heating, no hw on 24i junior?

I used the shower this morning, washed the dishes etc., everything was fine. Then the hot water failed. Ch wor... [Read more]

Sime Halstead Trio 30/90 - Main Burners are taking too long to fire up?

Everything seems fine; Pump is on ; Fan starts; Pilot light come on, Flue is clear but burners are taking some... [Read more]

Timer to Randall 4033 CH Control Unit Stopped?

The programming of my CH and HW system is controlled by a Randall/Danfoss 4033 unit. I know that being an ana... [Read more]

how can i fix potterton prima?

i have a potterton prima boiler which works fine on ch and on ch/hw but when i put it on hw the boiler trips o... [Read more]

heating system?

I had a glow worm 24hxi boiler fitted to my existing y plan system using the original controls(programmer,room... [Read more]

Baxi Bermuda 552 bubbling and clattering?

Hello, Just joined. I value any ones advice here please. I have a Baxi back boiler in the living room insi... [Read more]

how can i fix my halstaed ace he 30 combi boiler??

i have recently had my boiler replaired after it was showing error 1.no hw or ch for a full week! but now is w... [Read more]

ch intermitent (biasi M90 24S)?

the hw works fine on my combi boiler but the ch starts for a few seconds then switches off , wait for about te... [Read more]

Vokera Linea28 CH fine HW cuts out after ignition?

The CH works fine, but the Domestic Hot Water initially fires up when called for but then cuts out, fires up a... [Read more]

No heating, but Hot Water works fine Vaillant VuW 242 failure: F.28 ?

In my case F.28 comes ONLY if heating needs to start. If I open the hot water tap during CH ignition attempt,... [Read more]

Potterton Netaheat 16-22 HW doesn't work without CH?

I have had this problem with our Potterton Netaheat 16-22 Boiler for a while now. It is fine during the winter... [Read more]

biasi boiler not working properly?

biasi 24s boiler, I have replaced an airflow switch pipe, and a ch diaphragm, and bled the ch system. the boil... [Read more]

Why can we only get heating when hot water on also now(Dual programer)?

We recently needed to replace head valve due to pump over run problem.(Boiler is Potterton Profile) On putting... [Read more]

Micron 60ff boiler. Ignition failure?

On most days, usually in the morning and evening when the boiler is programmed to come on from cold, this happ... [Read more]