How to mend ... Motorised Valve Boiler

why do my radiators get hot on water only?

would a faulty motorised valve cause my radiators to get hot on water only and cause my baxi bermuda back boil... [Read more]

digistat appears o.k but heating not working?

digistat and rf 601 stat appear to be working but the boiler will only supply hot water the motorised valve is... [Read more]

Hot water but no central heating?

Hi, having an odd problem with the heating today. i can get as much hot water as i want but cannot persuade... [Read more]

Potterton Suprima - continually runs!!!?

Hi, My boiler ha started to run continually. My only way of controlling it is to switch on or off by the wall ... [Read more]

intermittent problem with central heating valve not opening?

We have a Drayton wireless for our central heating, and a Drayton ZA5679-2 2 Port motorised valve also for hea... [Read more]

Potterton Netaheat 10-16 MK11 No heating or hot water?

The pilot lights the fan is running, the pump is running, but the hot water and heating is not getting hot or ... [Read more]

C H Boiler heats D W only ie no C.H?

My C.H. system is fully pumped ie radiators & cylinder circuits with both room & cylinder thermostats. Could ... [Read more]

c h boiler heats HW supply only,no central heating?

My system is a fully pumped central heating installation, with room & cylinder thermostat. Could the motorise... [Read more]

Boiler, 2 way motorised valve or room stat problem?

I have a Potterton Profile 40el-80el boiler, a Drayton 2 port mid position valve (BGMUSP-23) fitted and a RS1 ... [Read more]

No hot water from Danesmoor bolier?

I have a boiler danesmoor 15/90 and now can not get hot water from taps. ..just cold running water. Have check... [Read more]

No hot or cold water-Pottrerton Boiler & Accolade Storage Tank Help! ?

Hi all, I have a Potterton Suprima 60L Boiler and an Accolade 144 AA160 unvented hot water storage system. It... [Read more]

Potterton Promax 24HE - No Central Heating?

Since the weather turned colder a couple of weeks ago we have been unable to have heating without the hot wate... [Read more]

vokera linea 28 boiler?

my boiler is 9 years old and i can not turn off the heating as soon as u switch the boiler on the hot water on... [Read more]

new valve and pump fitted heating fine no hot water?

Just had an engineer to fit a new c/h pump and 3 way honeywell v4073a motorised mid position valve to a combi ... [Read more]

When boiiler is heating hot water, heating comes on too?

Hi, I have an Ariston presurised system and when the temperature in the hot water tank drops the boiler switch... [Read more]

my ideal mini condensing combi boiler wont fire?

when i call for hot water the boiler wont fire,the pump,exhuast fan and motorised valve all operate as normal.... [Read more]

Heating my hot water system?

We have a 210 litre megaflo tank and our boiler is an oil fired Boulter Camray 90/110 but it will not heat the... [Read more]

pump runs but nothing circulating in system?

Boiler fires up fo 30 or so seconds, the pump runs and the system seems to be working then the boiler stops an... [Read more]

Boiler problem further data on earlier question ?

Thank you for your helpful responses. I have made further observations and these are as follows: I have two... [Read more]

how do i fix my potterton netaheat 10-16 Mk 11?

I have just spent 400.00 pounds getting a new hot water cylinder fitted and a new motorised valve aand a consi... [Read more]