Mend Heating, Home Heating Systems

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Mend Heating, Home Heating Systems

Air lock Worcester 18/25?

Worcester oil boiler 18/25 fuel was stolen from tank. Now have fuel but boiler won’t stay on, only for a few... [Read more]
Mend Heating, Home Heating Systems

Heating?

My heating goes on for half an hour then doesn't come back on its a boss therm with a br1 reciever
Mend Heating, Home Heating Systems

Standy by battery on Horstmann H37 XL Progammer?

I have a Horstmann ChannelPlus H37 Series 2 Three Channel Programmer. Instructions state it has a non-recharg... [Read more]
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Mend Switchmaster

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We have 40 questions about mending 'switchmaster' in category Heating, Home Heating Systems

How to mend...Switchmaster

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Mend Heating, Home Heating Systems

Switchmaster 905?

my switchmaster 905 has stopped going round. water/heating still work if you manually trip. any one got one on... [Read more]
Mend Heating, Home Heating Systems

How to set the meter timer?

My switchmaster 805 timer has stopped working as of yesterday, it doesn't seem to turn off on the time that it... [Read more]
Mend Heating, Home Heating Systems

switchmaster 300?

switchmaster 300? i have a switchmaster 300 about 14 years old.the timer has stopped and will not restart.i h... [Read more]
Mend Heating, Home Heating Systems

switchmaster 805 not turning?

Hi I hope you can help! I have just moved into a new place with the heating timer Switchmaster 805. A... [Read more]
Mend Heating, Home Heating Systems

Problem with installing Drayton MA1 Valve & Actuator?

Hi everyone, I swapped out a failed switchmaster acutuator, and replaced it with a Drayton MA1 and wired it us... [Read more]
Mend Heating, Home Heating Systems

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]
Mend Heating, Home Heating Systems

Switchmaster sm905?

Hiya my switchmaster sm905 timer has started ticking every few minute when the hot water or heating is turned ... [Read more]
Mend Heating, Home Heating Systems

switchmaster cylinder stat to honeywell cylinder stat?

on the switchmaster sct1 there are 4 wires-red-brown-blue-green/yellow,which do i use with a honeywell L641A 1... [Read more]
Mend Heating, Home Heating Systems

The timer is not working on my Switchmaster 905 heating timer?

I have this timer installed but the timer is not working. If i manually switch to all it works but the clock ... [Read more]
Mend Heating, Home Heating Systems

3 way valves?

can I swap a switchmaster for a danfoss 3 way mid position valve and what would the wiring arrangements be. Ch... [Read more]
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