Please advise.
Central heating circuit functioning as normal.
No hot water since microswitch in V4043 is not being closed by motor mechanism.
Mains power to MV (brown lead) present , ie HW thermostat working corerctly. Boiler lights if M/V microswitch closed briefy manually.
Installing new MV makes no deifference.
Am I correct in thinking the MV is not opening properly?
What might be preventing this?
Header tank is ok - not empty and ball valve functioning.
Bleed any air from the HW circuit?
Any thoughts/ suggestions welcome.
Thanks
Central heating circuit functioning as normal.
No hot water since microswitch in V4043 is not being closed by motor mechanism.
Mains power to MV (brown lead) present , ie HW thermostat working corerctly. Boiler lights if M/V microswitch closed briefy manually.
Installing new MV makes no deifference.
Am I correct in thinking the MV is not opening properly?
What might be preventing this?
Header tank is ok - not empty and ball valve functioning.
Bleed any air from the HW circuit?
Any thoughts/ suggestions welcome.
Thanks