home Fix label Heating label_important Home Heating Systems category Honeywell

Mid position valve?

Could someone please tell me if:

Honeywell 28mm V4073A
Siemens 28mm MVA328
Landis & Gyr MV-A328

Motorised valves are fully interchangable, is the internal wiring the same?

Firegem, March 2012

home Fix label Heating label_important Home Heating Systems category Honeywelldone

All are 5 wire same function but not compatible

ltd, March 2012

If the wiring colours in the leads are the same AND they have the same number of leads then you will be ok.

Gas58man, March 2012

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Fix Fault - Heating

home label Heating label_important Home Heating Systems

Fix Fault - Heating

home label Heating label_important Home Heating Systems

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home Fix label Heating label_important Home Heating Systems category Honeywell

Mid position valve?

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Mid position valve?

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