How to mend ... Problem System Water

Pressure problem on vailant 630 ecotech plus?

Hi I have a Vailant 630 system boiler and the pressure goes up to maximum 3.3 bar and im force to take water o... [Read more]

Why is my central heating system over pressurising?

Why is my central heating system over pressurising? I woke up this morning to hear water running! on investi... [Read more]

how do I get ch to start heating?

System:potterton kingfisher2; drayton digistat RF and potterton EP2000 controller connected via a Salamander b... [Read more]

How do I fix an old Myson Unit 3 water pump?

The Myson Unit 3 water pump on my system only works on the slow speed now. This doesn't seem man enough for th... [Read more]

Worcester Greenstar 24i junior: doesn't work!?

Hi I've just moved into a new property, the boiler is only about 2 years old; when I moved into this house th... [Read more]

water pressure dropping ?

i have a 20/80 boiler and the pressure drops after a few days there is no leaks from the rads or manifolds all... [Read more]

potterton suprima 50 pcb problem?

after several years of problems,2 pcb boards,pcb repaired twice since [dry joint problems] new upgraded pcb fi... [Read more]

worcester 24i heating problem?

have had boiler for a few years and alway been plagued with air in boiler,recently replace pressure releaf and... [Read more]

Hot water but no radiators?

My boiler will come on when I turn the hot tap on but when I turn the stat up to put my radiators on it will n... [Read more]

Problem with hot water demand?

I have a vaillant 824 E, problem with hot water demand - boiler kicks in on start up but temperature on boiler... [Read more]

vaillent 824 6 radiator system?

first five radiators work ok, 6th radiator only gets half hot which runs from the fifth radiator on 15mm pipe... [Read more]

my glowworm 80f shuts down?

80f shuts down having operated normaly somtimes for days.the shut down occurs when the boilor starts to make a... [Read more]

How can I fix my Greenstar CDi condensing combi boiler?

...after nearly 4 years of fault free operation from new, this morning I had no hot water & a "EA" message dis... [Read more]

Glow Worm 30ci losing pressure and F1 Faults?

This boiler has been problematic for a while now. Can only seem to get pressure to 0.5 - 0.6 bar. Then when sw... [Read more]

Valiant F22 low pressure problem?

Afer a day out, i came home to have a shower only to find cold water coming out. I checked the bolier and had... [Read more]

Can can I fix an airlock in the central heating system?

I have recently had a new valliant eco plus gas boiler fitted, along with 13 new lockshield valves and TRV's o... [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]

Drayton rf1 wireless system problem?

Recently moved home. I have followed all the Q&As on this site regarding the rf1 system in my new home. I pu... [Read more]

Worcester Heatslave Leaking?

Same problem as Andy - problem with the low pressure, had to keep topping up the system - now found water lea... [Read more]

No Hot water from combi?

I have a 10 year old Vokera Linea 28. I have no hot or cold water coming through the taps at all. The central ... [Read more]