How to mend ... Air Pressure Boiler

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]

How can I fix my Glow-worm swiftflow boiler?

My boiler keeps losing pressure when the heating is not on. I have drained all the air out of the radiators. I... [Read more]

Over pressure in Glow Worm Swift Flow 80 Boiler - dangerous??

I have a Glow Worm Swift Flow 80 Boiler. It is over pressurising itself to 4 bar when on for just a few minute... [Read more]

How to release pressure from Eurocombi Ariston boiler?

Just moved into new house. The boiler is a Eurocombi Ariston A/23 MFFI A/27 MFFI. The pressure had dropped ... [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]

My Baxi Combi Boiler (Combi 105e) does not always light?

My boiler does not always light when either the hot water or central heating is switched on. The pressure is ... [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]

puma 80 losing pressure?

potterton puma 80 losing all pressure in couple of days. no signs of obvious leaks from boiler, relief pipe,ra... [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]

Where can I get a user manual for a Potterton Puma 80/80e?

My boiler has the 'low system pressure' indicator light on. I have tried everything and increased the pressure... [Read more]

How do I regulate the pressure on my Potterton Puma 80?

I've just replaced the fan assembly and auto release air valve and pressure relief valve on my boiler and cann... [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]

How do I increase water pressure on my Valliant combi bolier?

I have removed two radiators, replaced them both, but the heat is staying in the lower part of the radiators. ... [Read more]

loss of pressure & cold radiators at the bottom?

We have a Worcester Greenstar R40HE combi boiler. The pressure is dropping on an almost daily basis though we... [Read more]

How can I fix Potterton Profile 60E boiler?

Potterton (Baxi) Profile 60E. Air pressure switch never operates, though I can cause it to flip over by blow... [Read more]

How can I fix my leaking Sime Friendly Format 80 e?

My combi boiler is dripping/ running water when in use. It appears to be coming from a valve attached to the p... [Read more]

potterton puma 80e(pressure buildup)?

when central heating running the boiler pressure just keeps on rising until water is released from P.R.V. C.H.... [Read more]

potterton puma 80 low pressure problems?

The low pressure light on my potterton puma 80 boiler has come on preventing the boiler from firing up. Usuall... [Read more]

the dreaded ariston question?

i still have a ariston euro combi a/23. i was told the air pressure switch may be at fault for the lack of co... [Read more]

ariston eurocombi A/27 MFFI?

I HAVE A PROBLEM OR TWO IN SUMMER MODE MY RADS COME ON I,VE BEEN TOLD IT COULD BE FAULTY DIVETER VAVLE OR DIA.... [Read more]