How to mend ... 3 Motorised Valve

Should room stat switch off both boiler and pump?

My room stat seems to control the motorised valve only.When closed,pump stays running and boiler still fires n... [Read more]

boiler problems?

my greenstar 18ri boiler wont shut off even when turned off on timer, Worcester say its not there boiler but a... [Read more]

How can I fix my actuator?

I suspect that the actuator on the motorised valve (BGMVSP-23, aka Drayton MA1) is broken and would appreciate... [Read more]

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]

Mid position valve?

Could someone please tell me if: Honeywell 28mm V4073A Siemens 28mm MVA328 Landis & Gyr MV-A328 Motori... [Read more]

My potterton ep 2000 controller is it worn out?

When both switches (ch and hw) are in the on or 24hr position on the controller the motorised valve should go ... [Read more]

rReplacing a Switchmaster 3 way motorised valve with a Drayton 3 way valve?

My discontinued switchmaster 3 way motorised valve has 6 coloured wires and I am installing a Drayton motorise... [Read more]

Baxi Solo slow to fire up?

I have a Baxi Solo 3 PFL, just recently the burners have been very slow to fire up after the pump starts, both... [Read more]

Radiators cooling down?

Fitted new diverter valve and motorised valve to Worcester Heatslave 12 14 on previous advice as the radiators... [Read more]

Central heating is not filling hot tank when heating is on?

I have a central heating system which has stopped filling the hot water tank when the heating program is on. ... [Read more]

How to connect a motorised valve ?

I want to connect a motorised valve which would control via a simple on/off switch the heating of my hot water... [Read more]

Vokera boiler in caravan?

how do i connect a 3 way valve carteidge to a motorised valve the water is gushing out

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]

motorised head valve quick question?

Why would a motorised head valve on our central heating refuse to stay in manual?

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]

how can i change a motorised valve?

The radiators and hot water come on together. the house is heating up when I only want hot water

how to wire a tow way valve?

how to wire a two way motorised valve.