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- #21
With all of these things it is hard to get a good volt reading with the plug off the duo valve, it is what we call testing under load.
You could solder some wires onto a car bulb, and put the wires into the plug that goes into the duo valve, as you turn the controls from hot to cold the bulb should light up on the cold position, it will be a flickering light, but it will prove that the control is working
It's a very good idea i will do it to morrow and tell you the result.
10x for all malcolm and have a nice a good night :lol: