How to mend ... Position Valve Working

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]

New replacement Netaheat profile pcb not working?

What is the problem my new replacement pcb will now not work without me banging or jolting it then it sparks u... [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]

Mid Position Valve (Drayton)?

Hi, My problem is with my central heating and hot water system. This is a long one! When I select just h... [Read more]

how do i refill worcester 532/i combi boiler?

came back of holiday notice 3 radiators not heating bled all the air out now boiler is not working tried reple... [Read more]

Diverter valves?

C/H & H/w. What a set up!!!!. Emerging from the floor 22mm pipe which carries the pump. Continuing the 22mm... [Read more]

2009 - Do I still have to drain the whole system to replace TRV?

Recently had CH system chemically cleaned and flushed through which was very successful. Following this four T... [Read more]

I have a glow worm space saver 38/50 ?

my space saver 38/50 boiler refuses to fire up.pilot light working normally. thermostat in heat position, time... [Read more]

problem with mid position valve? ?

I hope someone can clarify if I have diagnosed the fault that I think Ive got. A few days ago the central h... [Read more]

How can i fix my Glow Worm 20 - 30F?

The boiler only starts the fan and fires up if i blow into the Air Pressure Switch. The Mid Position Valve and... [Read more]

How can i fix my Glow Worm Space Saver 20 - 30F?

If i blow into the APS (via restrictor) the boiler lights up, heats and runs for about 5 minutes but will not ... [Read more]

could it be the yhe mid position valve?

could it be the mid position valve ,as i notice it's not working .

Worcester 25Si ...Hot water not firing up at low pressure?

I've got a Worcester 25si around 7 years old combi, recently it decided to have a problem with the hot water. ... [Read more]

vaillant vcw-gb 242 eh not igniting to either heat dhw or ch?

boiler was drained to look at water valve diaphragm as central heating was not working (ie) diverter valve no... [Read more]

Possibly faulty mid position valve?

As the summer is here I decided to turn my central heating off but keep the programmer on for the hot water. ... [Read more]

puma 80 diverter valve?

hi I have got a puma potterton 80 which is turning into a nightmare 8 months ago the heating wasnt coming on... [Read more]

My CH boiler keeps blowing out when its windy outside!?

Hi, I hope someone can help me with this one. I have an old Baxi Wm 381 RS CH boiler in a house we just moved ... [Read more]

Cental heating ok, no hot water?

Potterton Netaheat Profile central heating fine, boiler seems to be heating the water ok to the storage tank,... [Read more]