How to mend ... Heating Switched System

Ravensheat RFF 820/20.DOMESTIC HOT WATER ONLY WORKS WHEN HEATING IS ON?

My combi boiler only supplies hot water to the taps when the Radiator system is switched on. Anyone any ideas... [Read more]

vaillant vcw gb 242 eh, not igniting?

vaillant vcw gb 242 eh? i have drained my central heating system and switched it off at the boiler, i have ... [Read more]

vaillant vcw gb 242 eh?

i have drained my central heating system and switched it off at the boiler, i have left the boiler on thinking... [Read more]

how can i fix my central heating?

We have recently switched on our central heating for the winter with little success. Initially, when the boile... [Read more]

My boiler clanks!?

I have a Potterton Puma 80e and some time ago I accidently closed a (air?) valve to my boiler which caused the... [Read more]

Potterton Domestic Boiler and Heating System?

How can I fix my Potterton Boiler - Prima F, model EP 2002? Its Central Heating and Hot Water functions sudden... [Read more]

Problem with my Glow-Worm Fuelsaver MKII?

Hello, I really hope someone can help. I have an Glow-worm Fuelsaver MKII installed in a 30 year old prope... [Read more]

why are half of my rads staying cold?

with my central heating switched on and all rad valves open only upstair rads heating up and none down stairs.... [Read more]

Radiators(two)pump out water when the heating system is on?

I have radiators that pump out water when the radiators(in isolation) are switched off but the heating system ... [Read more]

How can I fix my Potterton Puma 80?

My combi boiler has broken down, After lighting the pilot the system fires up and hot water is produced for ab... [Read more]

F24 misbehaving?

For some time, there has been an intermittent problem of the HW tap in the kitchen failing to cause the boiler... [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]

Sime Super 90 losing pressure?

hope some one can help me i have sime super 90 it seems to be losssing presure (about half a bar) after runni... [Read more]

How can I fix heating system on my ford fiesta?

My 2001 ford fiesta zeetec with air con has stopped providing hot air in the car . also there is a leak coming... [Read more]

Massive pressure increase in central heating system?

Good Morning, I have a Potterton Puma 80 boiler connected to my central heating. When the heating is off th... [Read more]

no flow from combi boiler to radiators?

Baxi Genesis 80 - hot water ok but all radiators cold. When CH is switched on, the system fires up and the... [Read more]

Help - Potterton Flamingo 50?

Heating system not working - water in rads - pump working when system switched on, but doesn't appear that the... [Read more]

potterton ultra 2 switching to lockout after draining and refilling system?

after draining the system to fit new rad valves the system was refilled and turned back on it fired up ok then... [Read more]

How can i fix central heating glow worm system when the heating is set to?

go off the heating is still on radiotor located near system in bathroom , I've switched off the system then ... [Read more]

Puma 80 overheats and shutsdown when DHW switched off?

This 8 year old Potterton Puma 80 has had first a new diverter valve fitted, and now a circuit board, but stil... [Read more]