How to mend ... Boiler Pressure Switch

valiant boiler has hot water from taps but central heating doesnt work?

i have a valiant boiler the hot water works perfect intantly when the hot water tap is turned on. but when i ... [Read more]

Ravenheat combi boiler LS80T (Little Star) 3 way valve emergency valve?

I was replacing the low water pressure switch on my ravenheat combi boiler and found it clogged with that magn... [Read more]

Worcester 24i RSF - Boiler Not Igniting?

Boiler not igniting first thing in morning. New Air Pressure Switch fitted but still same problem. If I remo... [Read more]

My Vokera boiler builds pressure?

When I switch on my Vokera 24 boiler it quickley builds pressure up the needle goese right to the top then por... [Read more]

How can i fix my Ideal response 80 boiler?

Hi I was hoping someone could help me please. My combi boiler has stopped working today. The lights are on ... [Read more]

Has the ignition gone on my Worcester 280 combi boiler?

It was working fine yesterday, now I have no hot water or heating. When I try to get either, the boiler sounds... [Read more]

no spark and pressure defferential switch does not open?

My vaillant turbo max 242E vuw boiler does not spark; the water pressure defferential switch does not open up ... [Read more]

saunier duval sd623 no hot water?

after reading couple of forums, changed the diaphragm (lots of holes) in boiler. feel confident changed ok??? ... [Read more]

Ferroli Optima 901 -occasional Hot water problem?

Hi I have a Ferroli Optima 901 combi boiler and have recently been experiencing occasional problems with no ho... [Read more]

Where can I get a manual for my Vaillant VCW GB 242 EH combi?

I have a Vaillant VCW GB 242 EH combi which is acting up. Just had a guy replace the pressure release valve fo... [Read more]

How can I turn on my Isar HE30 Bolier?

My (Ideal) Isar HE30 boiler has turned off. The water pressure gage is below 1 and their is no hot water or he... [Read more]

Ferroli Falcon cycling on and off with heating and hot water?

Hi, My boiler has been cycling on and off for a while now on both the heating and hot water. I have changed th... [Read more]

Should i Try!!!?

Should i try to replace the limit stat/overheat stat and vice versa, before changing the gas valve. the boiler... [Read more]

Low Pressure in Glow Worm Swift Flow 80 Boiler?

My Glow Worm Swift Flow 80 is showing zero pressure on the dial. How do I re pressurise the system. I found a ... [Read more]

How can I fix my Worcester 350 CH Boiler?

HELP, my worcester 350 boiler will not work at all, I have no heating or hot water, the red low pressure light... [Read more]

How can I fix my Potterton Prima 'F' boiler?

When the hot water or heating is switched on the boiler attempts to start up, i.e. the fan starts and stays on... [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]

Intermittent hot water one SIME combi boiler?

I have a sime combi boiler, sorry, I dont know where to find the model number, but the heating (radiators) are... [Read more]

How do I replace flow switch on Vaillant combi. boiler?

The Pressure Differential Switch (Flow Switch) on my Vaillant Combi boiler (VCW T3W Sine 18) only works interm... [Read more]

PCB for worcester 35cdi mk2 rsf boiler?

Following the fault dianostics, given a fast flashing red lamp, on J flowchart in the owners manua (The fan no... [Read more]