Discuss 3 port valve in the USA area at PlumbersForums.net
As undertrained said, There are cheap ones but they will not last as long. The last cheap one I bought from Corgi direct via this forum and it was very noisy. I think you are better sticking to Danfos or similar even though they are more expensive.Can you install a unbranded motor or does it need to be the Honeywell one? A big price difference
You can see the actual motor turning?Test the resistance through the winding.
Or
When the motor has live and neutral connected it should be turning. Don't just check live.
Start by testing the winding in ohms.
You can normally see the valve opening but if not, you could remove the motor.You can see the actual motor turning?
I rarely do that because there is rarely anything wrong with the head, it is normally the motor which has failed and the cost of a head only isn't far off a full valve. I think if it's in a condition where the head needs replacing, the valve is probably in the same condition. This is only based on my experience of course. Other folk will do things differently. There is no right or wrong way of doing it.Can I ask why you very rarely change the head only?
Do you replace microswitches as well, or is this new head time?I rarely do that because there is rarely anything wrong with the head, it is normally the motor which has failed and the cost of a head only isn't far off a full valve. I think if it's in a condition where the head needs replacing, the valve is probably in the same condition.
No I wouldn't.Do you replace microswitches as well, or is this new head time?
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