Switchmaster blue box VA1 - HW but no CH

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arnoldpl

Joined
27 Feb 2015
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Location
Mid Glamorgan
Country
United Kingdom
Hi All,

Last night i noticed that all radiators are cold, went to see valve an it was sitting on HW but didn't turn to HW&CH, when i manually turn the valve to HW&CH all radiators went hot and after reaching set temperature it come back to HW, when temperature went below set one and CH should turn on, it didn't turn.

so is not turning to HW&CH position but when i turn in manualy then it turn to only HW ????

Please Help,

Regards
 
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Its had it and you will not get parts for a switch master whole valve needs changing
 
Nice synchron motor, but I don't think it fits your valve. Might be wrong but I've never heard of it.
 
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Not been able to get a brand new blue switch master for at least 16 years only the odd one that was left on a shelf . Also when they get changed switch master has 6 wires as opposed to the stand 5 wire valves with colours also different . There has been numerous threads on this on here over the years
 
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