How to mend ... Boiler Water Leak

How do I increase the pressure on my Bosch condensing boiler?

I have a Worcester Bosch Greenstar 24i junior condensing boiler. It seems to be functioning fine - hot water a... [Read more]

Replacing my filling loop on Worcester 28i RSF Combi?

I need to replace the filling loop on my combi boiler as the flow-in control knob has broken and water is cree... [Read more]

Potterton combi 80 boiler?

I have re pressurised the expansion tank as suggested. There is no water coming from the valve on the unit nor... [Read more]

How can I fix my Thema classic F30E?

The seal has gone on the diverter valve allowing water to leak into it's mating part rendering both parts knac... [Read more]

High central heating water pressure - (Glowworm swiftsure 100)?

Hi folks, any ideas on this one? My central heating water pressure on the combi boiler keps increasing until ... [Read more]

luke warn water?

My six month old Optomax HE 31 C boiler was working perfectly until 3 weeks ago firstly the pressure started t... [Read more]

How can I fix my ferroli combi boiler?

My 2 year old Ferroli F24 combi boiler keeps losing pressure. I refill it to 1-2 bar, however the pressure ke... [Read more]

Worchester greenstar CDi 35 losing pressure?

Hi, I`ve had my Worchester CDi 35 for 1 year with no problems, runs great however last month I`ve been having... [Read more]

got hot water, boiler fires, but no heating?, pump seems to be fine also?

my boiler is firing and i have hot water recently had a new central heating pump installed which also seems to... [Read more]

water leak from boiler?

i have a leak from my one year old sime 100c format boiler- the problem is i cant find where it is coming from... [Read more]

Leaking Vaillant VCW-GB 242 EH Combi-boiler?

I had air in my upstairs radiators so I've bled them and topped up the pressure to just below 1bar. When finis... [Read more]

Sabre 24 Combi boiler problem?

With the filling loop removed on my 18 month old SABRE 24 combi the pressure gauge on the heating circuit cont... [Read more]

can i isolate the hotwater circuit from my combi boiler?

I have a leak in my hotwater circuit and cannot get a plumber, holidays etc, I have solved the problem by turn... [Read more]

Worcester 350 Combi boiler pressure fluctuations?

When my boiler is supplying the central heating and you draw hot water the pressure jumps up by about 0.5bar a... [Read more]

how do i fill my vaillant boiler?

I have a Vaillant VCW-sine 18 T3 W boiler which has been leaking for a while. My gauge shows no water pressure... [Read more]

my boiler is loosing water pressure & stops the heating?

Once a week I have to use the tap on the boiler to build up the pressure til the gauge goes from 0 - 1 bar. i... [Read more]

water leak on back boiler?

A water leak has recently started on the right hand side of my baxi bemuda back boiler is there any flexable c... [Read more]

How do you fix a leak in a home boiler?

My heating boiler has a leak which has manifested itself by water being in the firebox, thus interfering with ... [Read more]

Potterton combi boiler, radiators won't heat up?

My partner and I have just renovated a house and it is on the market, the heating system was installed in the ... [Read more]

How do i stop Water leaking out of air vent on Halstead ace combi boiler?

How do i stop Water leaking out of air vent on Halstead ace combi boiler. System keeps dropping to 0. When I t... [Read more]