How to mend ... Rads Hot Cold

Luke warm radiators?

Really need help with a central heating problem (old, but sturdy back boiler open vented system in a flat - o... [Read more]

Hot water go,s cold?

I have a worcester 24i combi boiler when we use the shower it runs hot then cold for a min then bacck to hot ... [Read more]

Potterton Netaheat M11 no heating no hot water?

The boiler lights up and gets very hot and then closes down. We have replaced pump and fan. Zone valve wor... [Read more]

Glow-worm 30cxl?

Started off blowing 3amp fuse in boiler, water cold but heating working ok, engineer came out and fitted a ser... [Read more]

Central heating radiator doesn't gets hot sometimes and sometimes does?

I have a potterton kingfisher cf 50 boiler.My up stairs ch rads is fine but down stairs one of them is warm nd... [Read more]

Loud clanging/Glow-worm Boiler?

I have a Glow-worm Mark2 (oldish) boiler and the pilot light works, but when it fires up, it (and the pipes) m... [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]

Potterton perfoma30 HE Central Heating Cutting out?

New heat exchanger and divertor valve due to heat exchanger blocked. Now CH only cutting out, hot water is ok... [Read more]

Why does the boiler firer up for 1 miniute then gurgle and then cut out?

My worcester 28cdi Boiler is 9 years old, and has been serviced most years. But since this cold weather it ha... [Read more]

no hot water VAILLANT turbomax vuw 242e, 282e?

i have a vaillant boiler and have had no hot water properly for a very long time. my rads work fine. I had a ... [Read more]

Expansion tank hot?

Greenstar Ri boiler open vented system. When boiler switched on constant flow of hot water to expansion tank... [Read more]

Upstairs rads not getting hot?

Hi, just wondered if anyone could help. I've recently moved into a 4 bed house which didn't have any central h... [Read more]

radiator nightmare!!!!?

i have a baxi back boiler which i believe is a closed loop system with a bubble in the tank for heating the ra... [Read more]

Banging Pipes - Hot water only?

We have a worcester boiler (in our new house) which was fitted 9 yrs ago - for some reason it has been left as... [Read more]

How can i fix my Ariston A23 Mffi E Combi boiler NO DHW URGENT?

No Dhw, runs cold after a few minutes when demanded either alone or with CH demand, the burner continues to ru... [Read more]

rad on heating system not getting hot?

had kitchen extension and removed rad off to have plastering work donew but put it back one the other day ,ble... [Read more]

Boiler on cold rads but hot water?

Hi PLEASE HELP! Had a ravenheat csi 120 lox nox installed three years ago. Had Ravenheat out 9 times within 6... [Read more]

grundfos selectric ups 15-50?

it was all working fine until this morning, boiler is supplying plenty of hot water but rads are cold. on the ... [Read more]

I have no control over the hot water temperture from my high flow 400 boile?

Worcester Bosch changed the heat exchanger in my high flow 400 boiler and did some upgrades since then I have ... [Read more]

my radiators are hot upstairs but cold downstars?

i have a eurocombi ariston boiler,my rads are hot upstairs but cold downstairs,i have bled all rads and pressu... [Read more]