How to mend ... Sealed Water System

Why do I need to top up the pressure in the CH each time I turn it off?

Why do I have to top up the water pressure in the CH boiler every time I turn it off. The pressure falls to be... [Read more]

How do I find where my modena 80E loses water?

I have a Modena 80E boiler and the pressure drops on the sealed system. I top it up to 1bar as the manual says... [Read more]

High pressure on Glow worm 30cx boiler?

The pressure instead of remaining constant, as it is a sealed system, is increasing by approx 0.1 bar per day.... [Read more]

Boiler expansion pipe blowing back?

Hi! I have a two-storey house, the boiler was originally on the ground floor. Seven years ago the boiler was r... [Read more]

how do you increase worcester 15/19 heatslave presssure?

I have a 15/19 heatslave not sure of age as only moved into property month ago. Lock out on this morning. Can ... [Read more]

How can I get my Glow Worm Ultimate 100FF boiler working?

I have a sealed water sytstem with a pressurised Megaflow hot water tank. Occassionally the system pressure j... [Read more]

Why is my heating not working ?

Vaillant 628 thermocompact boiler ( sealed pressurised system) Drayton 5/2 timer for heating and water + Pott... [Read more]

problems with glowworm boiler?

I have a sealed central heating system.Some where along the line i seem to be loosing a lot of water,i keep ha... [Read more]

Would my combi boiler heat water if I drained heating system?

I have a Vaillant Turbo Max Combi Boiler and a sealed heating system. I want to add a radiator and renew a cou... [Read more]

do i need an open vent?

after the installation of my heating system i constantly get air in the bathroom taps, mainly to shower and ba... [Read more]

Is this a open vent or system boiler?

Just purchased this house which has a Ideal Classic LXFF & FF Fanned Flue Gas Boiler (Size F270). Is this a sy... [Read more]

Warm water, no HW pilot, but CH works?

I turned off the timers for a weekend whilst away, now the hot water is warm but wont get hot, and I think it'... [Read more]

how do i fix my heating system with a ariston microsystem 21 boiler?

i added a towel rad in the toilet on the downstairs circuit, but i cannot seem to get all the rads downstairs ... [Read more]

EUROCOMBI SX 20 MFFICE with sealed combustion chamber type c?

Hi, anyone out there help and advice very much apprecited. tried 2 companies now and wont cover on heating c... [Read more]

top water on ferroli 701?

Can any one tell me how and where i can top up the water in my sealed heating system as the pressure has dropp... [Read more]

what system do you have?

Do you have an open vented system ( two tanks in the loft and a hot water cylinder in the airing cupboard) or ... [Read more]

Add water to sealed Worcester Bosch Highflow 400 combi boiler?

As the sealed system does not have an expansion tank, we are looking for a screw to turn 90 degrees to let wat... [Read more]

potterton 50el - heating but no hot water... please help me!?

I have a potterton 50el boiler that powers my central heating and hot water. It is fully pumped and (I believe... [Read more]

vokera 12-48 mynute no relight after boiler thermostat clicks off?

hi can anyone please help. i just moved into a flat with a vokera 12-48 mynute standard boiler with power flue... [Read more]

how can i repair leaky pump flange on baxi 105e combi boiler?

The flange between the water supply pipe and the circulation pump has a small leak on the feed side.How can i ... [Read more]