How to mend ... 2 Pressure Switch

sabre he fault?

red light comes on changed sensor and air pressure switch but it only ignites if the front cover is releasedbu... [Read more]

worcester bosch 24i intermittent ignition?

Hi, My WB24i has an intermittent ignition fault developed over the last few weeks. the DHW demand seems ... [Read more]

halstead ace high boiler?

i am a hvac engineer and i have a pressurization problem with my boiler at home, i fill the boiler to 1 bar pr... [Read more]

How do I solve my Worcester 28i boiler problem?

Worcester 28i combi boiler fault - The boiler will only fire when the flue is completely removed. I've checke... [Read more]

modena 102 combi flame failure?

this boiler is 10 years old and now the flame fails on a reqular basis whether using HW or CH. The fan has bee... [Read more]

potterton profile 50e lpg?

air pressure switch,where do i find it ,what does it look like.

Vaillant TurboMax Diverter Valve problem?

I'm sick of repairing this TurboMax. First, a history of problems. The diverter valve, then a switch on th... [Read more]

Prima 50 F?

The fan runs but the boiler does not fire, I suspect it could be the pressure switch ?

Should the pressure/vacuum switch hold a vacuum?

My home central heating unit won't light reliably. I can unplug the hose and reconnect it while it's trying to... [Read more]

myson apollo 40si keeps cutting out, I thought it maybe the air pressure sw?

Myson apollo 40si keeps cutting out. I thought it was the air pressure switch as unable to get it started. The... [Read more]

Potterton 16/22 - won't light?

Hi there, Yes it's an old boiler, but there's not money to change it or even call anyone out. I'm on the ve... [Read more]

halsted ace high?

Please advise me, my boiler both heating & water seems to have a mind of its own,, it chooses to come on when ... [Read more]

Hot water goes cold heating goes cold?

My Worcester 24i goes off after a few minutes both in hot water and heating mode.Some times it comes bock on a... [Read more]

DHW flow switch sticking/leaking?

I hope someone can give me some ideas? I have a Halstead Finest Gold and I am experiencing a problem with the ... [Read more]

Baxi 105HE How do i release the pressure?

I want to change a radiator how do i release the pressure i believe there is a switch, knob on the boiler whic... [Read more]

how can i fix my ravenheat csi85a boiler?

i have just had a new pressure switch fitted but the burner will not ignite pump and fan running ok it will ig... [Read more]

Ferroli Maxima 35C water pressure switch problem?

I have a Ferroli Maxima 35C that keeps getting F37 faults. British Gas changed the electronic water switch 3... [Read more]

faulty boiler no one can cure worcester heatslave 15/19 combi?

my boiler is losing pressure and no one can get to the bottom of it !! overnight the pressure drops to virtu... [Read more]

my perfecta 24 powers up extract fan motor runs but no ignition?

when boiler is switched on the boiler cycles you can here the fan motor start up but boiler fails to light (no... [Read more]

fault on ferroli optima 701?

ferroli boiler. i cant get fan to run at full speed when calling for heat or hot water. and the only way to ge... [Read more]