How to mend ... Heating Position Valve

honeywell 4073A 3 position diverter.how do I fix this?

My Diverter valve is not changing from central heating to hotwater. there is a manual over ride,but nothing ... [Read more]

no hot water or central heating?

I do not have any hot water or central heating, the boiler does not fire up at all yet the pilot light is lit,... [Read more]

how can i fix my 3 port mid position valve?

i fitted a new 3 port mid position valve ,but when the hot water comes on the heating comes can anyone give me... [Read more]

how do i fix a three port valve stuck in mid position?

my heating comes on when my the hot water comes on, is it an easy to job to fix the valve that is stuck in mid... [Read more]

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]

gas central heating system?

the temperature of the hot water is all of a sudden too high and the water pipes either side of the drayton 67... [Read more]

heating problem, whats wrong please?

chaff britony combi 80. hot water fine, heating problem comes on low rate 10 secs then off cycles again when h... [Read more]

Boiler fires up when demand for hot water but doesn't when demand for C/H?

I have a Potterton Netaheat Profile 80e boiler, Honeywell V4073A mid-position valve, Honeywell ST699B programm... [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]

central heating valve?

can any one help ,updated heating controls for seperate control of heat/water there is a isolating valve on a ... [Read more]

baxi solo 3 boiler?

Hi, my baxi solo 3 pfl 30 goes onto 'overheat' if operating with just the water selected. if heating & water a... [Read more]

Potterton 40e Netaheat 3A Spur Fuse Blowing?

We have a Potterton 40e Boiler and it has worked fine for 6 years. In the past few week it has resorted to bl... [Read more]

HOW CAN I MEND MY JOHNSON&STARLEY JANUR3 WATER SYSTEM?

I have johnson&starley heating systemhot air section no problem but hot water side the valve get realy hot and... [Read more]

Potterton 22mm mid position motorised valve?

How can I get the valve to operate my central heating, because when the timer kicks in it only heats up the wa... [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]

No pressure in boiler tried everything, can u help please?

hello, Ive been without central heating for 4 days and its freezing, my boiler is 'vokera linea 24' and th... [Read more]

how can i fix fer falcon combi that is not firing?

when i turn off and on gas valve, the combi is not firing central heating system water is coming out hot but n... [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]