Quote:
Originally Posted by WILLD420
The vacuum fitting on your thermostat will work on temperature. That is the fitting you need for the thermostatic valve unless I am mistaken. Not sure how it works, as we live in the desert and usually cut those valves off for better flow when they quit working like they should.
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okay, thanks, can you help me with the two way and the four wayt switch. Do they operate differently? Is the twoway normally closed and the fourway normally open?
and can you help me with the other questions?