How to mend ... Hw Fine Ch

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]

Groaning Ariston Boiler?

Our 3-4 yr old boiler has started making groaning noises. HW & CH appear to be fine. Any ideas?

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]

Have an intermittent problem on a Sime 100 boiler?

Have an intermittent fault on a Sime100 boiler. Sometimes works fine other times does not work at all for hot... [Read more]

How can I fix my actuator?

I suspect that the actuator on the motorised valve (BGMVSP-23, aka Drayton MA1) is broken and would appreciate... [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]

ravenheat csi85 combi read this it will help many!?

I have a ravenheat csi85 boiler, the hot water works fine. The central heating started switching on /off, it w... [Read more]

Ferroli Modena 102?

Just had the thermistors replaced on above model. Am now getting the low CH pressure light flashing, despite ... [Read more]

My chaffoteaux britony 100se combi fails to light in CH mode?

My Chaffoteaux Britony 100se combi fails to ignite in CH mode, it works fine in HW mode!?! When I select CH... [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]

Potterton Prima-donna F - not heating water?

My central heating seems to work fine but there is no sign of hot water. If I turn on the HW only on the contr... [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]

ravenheat boiler - CH works fine, No hot Water?

Hi Guys The CH works fine, But when you want HW the bolier wont fire up you just get cold water and a whist... [Read more]

Pilot Light Out?

My pilot light has went out on my Ferroli Tempra, there is a sparking noise? but it wont light, I can light it... [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]