How to mend ... Pressure Cold Works Fine

WB 42 cdi hot water?

I seem to have air in the hot water system, the heating is bled and works fine, the boiler was working fine ti... [Read more]

diverter valve not operating?

Hi I am having a problem with my potterton performa 28i boiler. Central heating works fine. Dhw giving cold ... [Read more]

vaillant ecomax 824e flashing e20,e13,f20. How to fix it?

Thing is, that my boiler (which is vaillant ecomax824e) use to go through these codes e20 and then f 20, or e1... [Read more]

Ariston microGenus He 32 mffi?

my boiler shows no water pressure E 02 error code .correct code for no water pressure . fill up system with bu... [Read more]

Hot water problems from combi boiler?

No hot water in kitchen although hot and cold pressure is very good. However if I turn the hot tap on in the k... [Read more]

worchester 240, pressure dial reads same hot or cold?

my worchester bosch 240, works fine, but for the pressure dial does not move from 2.9 weather central heating/... [Read more]

No water in hot water tank?

Hi there, I have a problem... lol I'm afraid I'm going to err on the side of giving too much information... [Read more]

whats wrong with my sime 80c combi boiler?

hi i have a sime 80c combi boiler my problem is that when the boiler is on water flows through the release val... [Read more]

how can i fix my potterton performer 24?

c/h works fine but only luke warm water fitted a new pcb board and a new pressure differential valve the only ... [Read more]

Baxi Combi 105 HE Pressure Gauge Fault?

Hi, can anyone advise ... i can't seem to get my boiler to maintain a 'normal operating pressure' - i noticed ... [Read more]

potterton profile 50 e problem?

Hi need some help, i have a potterton profilr 50e boiler it works fine from cold but once it has heated the wa... [Read more]

Ariston Eurocombi Boiler?

Low hot water pressure. Just had the lovley man from Scottisg Gas come to sort our boiler - pressure in showe... [Read more]

Problems with Ravenheat Combi RSF Fanned?

Boiler has no markings on, but have manual that says... Fanned Combi RSF 84E - RSF 100E RSF 84ET - RSF ... [Read more]

Vaillant 282 Cold Radiators?

I have the Vaillant 282 and the hot water works fine, but only some of the radiators are getting hot. We have... [Read more]

Baxi Combi instant 105e CH does not work?

CH does not come on when supposed to. Pressure drops down to 0. Hot water works fine CH dosen't. What can I do... [Read more]

vaillant eco TEC 831?

my vaillant eco tec 831 works fine when the heating is on constant but when on timer and the heating goes off ... [Read more]

Worcester Bosch Combi 350 Boiler keeps cutting out?

Hi there, We have the above named boiler and have had 2 WB technicians in this week to look at it and neith... [Read more]

Fixing a Baxi 105e Combi which reports a fault when cold, works when reset?

Hi - this has baffled me and the heating engineer I've called in to look at it. My Baxi 105e has been reportin... [Read more]

I have valliant turbomax vuw242/1e 282/1e combi boiler,heating works fine?

hot water works ok when the heating is on all the time but when i turn the switch over to the hot water only i... [Read more]

Potterton Puma 80 c/h intermittently working until warmed up?

My boiler, Potterton Puma 80 (may be an 80e as no pilot light?) has been working fine for 5 years and now it t... [Read more]