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Mend Switchmaster

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We have 41 questions about mending 'switchmaster' in category Heating, Home Heating Systems

How to mend Switchmaster

Pages 321
Mend wiring central water

wiring on a SM905 switchmaster timer?

Could someone explain the wiring on the timer. The central heating is working fine, but when we just need the ... [Read more]
Mend thermostat heating upper

switchmaster cylinder thermostat?

When we got walter & heating on constant.During the night the upper level rads get hot but not lower level.als... [Read more]
Mend Heating, Home Heating Systems
1

can switchmaster 805 be mended?

I pressed one of the buttons and it broke,the spring shot into space ,and the plastic behind it went walkies.t... [Read more]
Mend heating replacement timer

Can I replace my Switchmaster 500 timer with a newer model?

The clock on my ageing Drayton Switchmaster 500 heating and water timer has died. Can I directly replace it wi... [Read more]
Mend manual heating control
7

switchmaster 805 manual ?

i have a switchmaster 805 central heating and water control box i would like to know which coluor nob is the c... [Read more]
Mend replaced easily replace

Can a switchmaster 400 be replaced easily with a digital programmer?

I have an old switchmaster 400 which I would like to replace with a modern digital programmer. Can anyone sugg... [Read more]
Mend Heating, Home Heating Systems

My switchmaster SM905 is ticking loudly all the time - Why?

We've noticed the switchmaster SM905 on the wall is ticking loudly all the time for the last week and seems to... [Read more]
Mend heating pump honeywell

heating only comes on with hot water?

my heating will only come on when the system is heating the hot water. can you let me know what I should look ... [Read more]
Mend central heating 3 port valve hot water

Change Switchmaster Mid Valve to Salus?

I've just had my S/Master changed (duff contacts) for a Salus (MV 322) 3 port but now cannot have combined HW ... [Read more]
Mend thermostat home heating control
1

The switch is.... switchmaster sm905?

Please see below
Mend wiring diagram controls
1

wiring diagram?

i need a wiring diagram for a y plan heating system using switchmaster controls and a froststat
Mend boiler heating timer
1

switchmaster 300?

i have a switchmaster 300 about 14 years old.the timer has stopped and will not restart.i have had this happen... [Read more]
Mend boiler system faulty
2

We have a switchmaster 300 timer on our heating system?

It doesnt always work!!! We cant rely on it if we set the timer as although it sounds like its working and the... [Read more]
Mend heating repair timer
2

Again can SM905 be repaired as timer cannot get past 'notches'?

As with other's, my acl switchmaster sm905 timer will not go round. The timer works in twice mode but not in o... [Read more]
Mend Heating, Home Heating Systems
1

Does anyone have an actuator for a discontinued Switchmaster midi valve?

I need the parts or an actuator VA1 for a mid position valve manufactured by Smiths/UGI in the 1990's and now... [Read more]
Mend spur fuse boiler
1

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]
Mend boiler heating grundfos
2

Baxi solo WM 50/4 RS fails to ignite?

We've just moved and have a Baxi Solo WM50/4 RS which I believe from looking at sites is probably about 10 yr ... [Read more]
Mend timer heating system
2

SWITCHMASTER 300?

CAN YOU EXPLAIN TO ME HOW YOU SET THE TIMER ON SWITCHMASTER 300 IT HAS WHITE AM NUMBERS AND BLACK PM NUMBERS T... [Read more]
Mend find replacement timer
7

switchmaster sm905?

can't seem to find a replacement for my heating controller; the timer doesn't go round. Is there a compatible ... [Read more]
Mend heating valve honeywell
4

switchmaster mid valves?

how do i re wire the old switch master valve for a honeywell model. the old switchmaster valve has 6 wires and... [Read more]
Pages 321

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Mend manual heating control

switchmaster 805 manual ?
Mend Honeywell Heating Cylinder

switchmaster cylinder stat to honeywell cylinder stat?
Mend Heating, Home Heating Systems

Switchmaster sm805 How does it work?
Mend instructions wires terminals

i need fixing instructions for the switchmaster sm 905?
Mend switchmaster going work

Switchmaster 905?
Mend heating timer switchmaster

switchmaster 805 not turning?
Mend heating timer switchmaster

The timer is not working on my Switchmaster 905 heating timer?
Mend Heating, Home Heating Systems

can switchmaster 805 be mended?
Mend heating hot water programmer

Hot Water System?

Mend Switchmaster Home Heating Systems

Heating, Home Heating Systems
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