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We have 46 questions about mending 'switchmaster'
What is the part no. for a Honeywell three valve?
changing 3 port motorised valve?
Switchmaster 905?
The timer is not working on my Switchmaster 905 heating timer?
switchmaster cylinder stat to honeywell cylinder stat?
Changing Switchmaster Valve to Honewell V4073?
switchmaster 805 not turning?
3 way valves?
rReplacing a Switchmaster 3 way motorised valve with a Drayton 3 way valve?