How to mend ... Boiler Top Pressure

Faulty Worscester 35 CDi loosing pressure?

My Worcester 35cdi has had 4 replacement heat exchanger's in less than 10 years the first 2 were within the fi... [Read more]

potterton boiler keeps closing down?

Boiler keeps closing down and shows low water pressure .when I top up to required level it runs for a while an... [Read more]

Baxi combi will not restart after changing radiator?

I have a Baxi combi 105E boiler and have fitted a new towel radiator.after refilling system (all radiators ha... [Read more]

how do i fill up my central heating boiler celsia 24le?

the pressure dial is nearly on 0 and i need to top up my boiler. i have a white plastic key to use to top it u... [Read more]

How can I fix my Vaillant turbomax 828 ??

A certificated plumber recently made a repair to my Vaillant boiler, after which the unit appeared to be worki... [Read more]

Boiler Hot water intermittently losing temp, Heating seems fine?

The title explains the main issue, for some reason the hot water drops often every 20 secs or so, sometimes it... [Read more]

f22 code i have to keep toping it up every day sometime?

vaillant 838 combi boiler the pressure keeps dropping most days and i keep having to top this up how can we fi... [Read more]

potterton promax?

I have to top my promax 24 he plus boiler up every day when the heating is on the pressure goes right up to 4 ... [Read more]

Ferroli Optimax HE 31 - overflow pipe dripping F37?

We are having repeated F37 error with dropping pressure, having to top up at least twice a day. No leaks on ra... [Read more]

New glowworm ultimate c 30 boiler losing pressure?

We have a new boiler about 8 months old but have been using it daily for about a month for heating. For the fi... [Read more]

is my boiler overheating?

I have no experience with boiler, I touched the flue duct on the top of the boiler, it's hurt, very very hot... [Read more]

heating not working on a combi boiler is it still safe to use water?

ok, I bled my rads today and the pressure on the boiler went low. I went to top up the boiler via the filling ... [Read more]

how can i fix my boiler?

i have a baxi combi 105 HE which heats water to taps but wont heat the radiators.i have recently changed 2 rad... [Read more]

why ami losing pressure on my green star 28i junior boiler?

system and dhw working ok! check radiators for leaks and all topped up. The system is not dumping water ive ch... [Read more]

i have over filled my valiant boiler with water what should i do?

Hi, I have a valliant boiler that keeps losing pressure. Tonight I intended to top it up but I forgot about it... [Read more]

Ideal Combi Logic boiler "L3" fault. ?

Whenever the temperature knob is turned up higher than half way, the boiler shuts down, flashing L and 3. Have... [Read more]

Greenstar CDi combi boiler overheating?

Hi, Greenstar CDi combi boiler 3 years old. Top floor radiators cold so bled, this dropped water pressure to z... [Read more]

Loss of heating water?

When I top up the system to 1.5 bar the water is thrown back out the pressure valve when the boiler runs up to... [Read more]

How can I fix my pressure loss?

I have a Vaillant Eco Boiler which works very satisfactorily - EXCEPT the pressure needs topping up very often... [Read more]

I have a Vaillant Ecotec Pro 28. No water pressure?

I have the above boiler and this morning the heating didn't come on but the hot water is still coming through.... [Read more]