How to mend ... Hot Water Ok Ch

Heatline Vizo 24?

The boiler only functions ok at the lower temp range on the CH, at the higher range settings the burners run c... [Read more]

how to fix my puma combi 80 ?

The problem is that the hot water works ok, but the CH wont come on..can you advise

2

problem with puma 80 boiler?

The pressure drops regularly,but i cannot see any leaks,Both ch and hot water work ok but after turning hot wa... [Read more]

1

Netaheat Profile 80e not lighting when call for heat?

I have a 20 year old Potterton Netaheat Profile 80e. Boiler heating water OK all summer. Wanted CH on today ... [Read more]

1

Worcester 350 Hot water only warm?

Had reason to change main PCB but now luke warm water but CH ok. Do the PCB potentiometers need setting up for... [Read more]

how can i fix my 9,24 electronic Worcester?

pilot light ok but the green demand light not on, no hot water and no ch, checked fuses on circuit board all a... [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]

1

ace high boiler problem?

replaced diaphram and diverter valve service kit , ch working ok , in dhw only mode both central he... [Read more]

3

Vaillant Pro 28. Rads get warm when hot water is run?

I recently had error code F75. Pressure was low and boiler locked out. I put pressure right and turned boiler ... [Read more]

1

Ravenheat 85T Boiler continually stop starting?

Hi, looks like I've made a bad purchase with a Ravenheat boiler CSI 85T ( 14 months old) . Boiler works ok in... [Read more]

1

f9 flashing on combi boiler 30ci glowworm ?

the light flashes red intermittantly. the pressure is ok at 1.2 bar . we have CH . when the water is on it is ... [Read more]

Potterton Suprima 60?

Works ok with CH but when hot water kicks in boiler locks out. When reset it works ok again until more hot wat... [Read more]

4

RAVENHEAT ls100t - warm water only, heating ok?

Hello, I'm hoping someone may be able to help. My combi boiler was fitted around 6 years ago, and after two ... [Read more]

6

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]

2

ravenheat csi 85 problem?

hello, my ravenheat csi 85 has just developed a little issue . What happens is when the ch is off i turn on ... [Read more]

Alpha combie -no hot water but CH OK?

we have a alpha CB24X Central heating is OK but no hot water - warm at first then cold ?

Isar HE30 problems?

We have the Ideal DH30 Isar combi heater. I am having a problem with it recognising the thermostat for the c... [Read more]

1

Potterton Profile 100 CH but no HW?

My boiler seems to fire up ok, do the central heating ok, but there is no hot water at the taps/shower.

How can I fix my Potterton EP2000 programmer?

The CH and HW letters keep flicking on and off when the heating comes on which is turning the bolier on and of... [Read more]

2

glowworm swiftflow 120. Hotwater ok. Boiler gurgles when CH on?

My glowworm swiftflow 120 works great with hot water. When the CH is turned on it makes a gurgling sound and t... [Read more]