How to mend Ch Switch Water Heating

Isar HE 35 again problem?

Hi Last winter (thankd to this forum) I did replace diverter valve, temp gauge and water pump and spring come... [Read more]

3

Ariston SX20 mffice hot water ok but no CH?

My eurocombi operates in hot water mode ok. When you switch on the heating the fan runs but the boiler does n... [Read more]

3

Hot water but no central heating?

Hi, having an odd problem with the heating today. i can get as much hot water as i want but cannot persuade... [Read more]

ignition problem?

hi anyone out there, Having a problem with hot water/ heating water boiler ingnition,upon start fans runs gre... [Read more]

1

Burner fires up and CH comes on, even though not selected at switch ?

Having been impressed with the diaphragm solution I was given here in 2010, I have another problem now with my... [Read more]

Worcester 28i Junior Boiler?

My boiler keeps switching off the CH and the reset button keeps flashing once per second. When I switch the he... [Read more]

2

potterton ep2000?

Central Heating slider is not working. Hot water seems OK and lights the boiler but no joy with the CH switch.... [Read more]

can anyone help- Domina 80E CH fault?

I can get hot water easily and constantly but the central heating doesnt work properly. The CH comes on when i... [Read more]

1

My boiler hits high pressure as soon as it starts up and faults. Vokera ?

My vokera linea HE faults as soon as it starts up whether it is for heating or hot water. I can see the pressu... [Read more]

1

Domina 80E CH fault?

I can get hot water easily and constantly but the central heating doesnt work properly. The CH comes on when i... [Read more]

bgmvs-23?

Hot water has been fine all summer. Switched Central Heating on and now we cannot get hot water. Switch CH bac... [Read more]

2

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]

4

CH is ON in the off position and will not turn off?

I have a Halstead Finest Combi boiler, which the CH automatically came on at night and unable to switch it off... [Read more]

1

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]

centrel heating boiler problem?

when hot water is not in use and ch switch is on minimum the disply panel shows c instead of o and the pump ke... [Read more]

2

Sime super 90 plus problems?

Hi, We have a super Sime 90 plus boiler and about a year ago we had to change the dreaded diaphram in the dive... [Read more]

1

Potterton Promax 15HE Boiler -relay clicking problem?

Hi, Need some help please. A 6yr old Potterton Promax 15HE on an unvented boiler installation has suddenly st... [Read more]

ideal FF270 ticking but no heating. Pilot light OK?

My Ideal FF270 is installed to supply CH only and sometimes works perfectly. However, in really cold weather, ... [Read more]

7

potterton performer 24kw HEcombi?

Hello ,is there any quallified heating engineers out there who may know wat this fault is. no hot water,the p... [Read more]

Ferolli SYS 10-23 Boiler runs continuously?

Hi there. I have a Ferolli SYS 10-23 gas boiler. The boiler is run from a Grasslin QE2 timer switch. Recentl... [Read more]