How to mend ... Switch Water Boiler

baxi solo 250 pf when hot water switched on radiators come on as well why?

I have a baxi solo 250 pf gas boiler which has been in the property since it was built 8 years ago when i sw... [Read more]

boiler goes onto pump overun after "COLD WATER" IS USED?

worcester 24i Why when I operate the cold water in my house and then turn it off does my flow switch operate ... [Read more]

Hot water keeps boiling?

DHW (gravity fed HW pumped CH system; Potterton floor standing (?1200) balanced flue boiler replaced 6 years a... [Read more]

Why don't I have hot water after installing a washing machine?

Hello there I hope someone can help... We disconnected and reconnected the dishwasher and washing machin... [Read more]

Worcester combi 440 boiler?

I got an 18 month boiler which was working ok till few month ago. I noticed that the pressure is dropping and ... [Read more]

I can not get C/Heating on VCW GB 242 EH Vaillant Combi Boiler ?

I have just renewed the Divertor valve on my combi I have hot water while switch is in Summer mode, but when I... [Read more]

Phantom starts?

Combi 80 Central heating off, summer use of hot water only. Boiler static,power on, when extract fan starts sh... [Read more]

How can I fix a Potterton Prima F Boiler?

I have a Prima F Boiler. The problem I am having is when I call for either hot water or central heating the f... [Read more]

Cylinder Thermostat not switching off?

I have recently had my system drained to fit a new bathroom. Since then the hot water has been too hot. I trie... [Read more]

SIME SUPER 90 - Diverter Valve?

Hello all, I have recently inherited a SIME SUPER 90 combination boiler in a house I moved into. The boile... [Read more]

My Potterton Profile 60e LPG will not fire up?

When the heating or hot water triggers, the fan starts, the lighter clicks and the pilot lights up, but the ma... [Read more]

Saunier Duval Thelia 23- no heating/hot water?

The problem seems to be the clock/programmer. With the slector switch set to 'auto' the display will normally... [Read more]

Why are my raditators not heating up but my hot water is?

I have an old back boiler. I recently had a leaking pipe which was fixed by a plumper. Now when i switch the h... [Read more]

HELP!!!! Biasi Combi M90 24S No Pressure?

I have been in my house for a year. During that time I have had no problems with the boiler which is a combi f... [Read more]

ferroli falcon boiler lockout?

my ferroli falcon intermittently stops supplying both dhw and ch,if i switch the reset then boiler reignites.w... [Read more]

Problem with Baxi Solo 3 PFL Boiler?

Hi We have not long moved into a property with a Baxi Solo 3 PFL Boiler. Last week we noticed we had no ho... [Read more]

My boiler pump runs continuously and fires even when timer switch is off?

I have a potterton boiler, potterton time switch with HW and CH having separate controls. The boiler recently... [Read more]

Why does my boiler go g-g-donk and then lock out?

My Chaffoteaux & Maury Britony combi has an intermittent problem. About a minute after turning hot water off, ... [Read more]

Brittany Combi boiler - no hot water?

We're having the same problem but it only seems to happen once a week. I don't know how to use the boiler so ... [Read more]

air prssre switch?

i removed air pie from pressure switch an found a steady flow of air going to switch when hot water called for... [Read more]