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NEED an economical electrically-controlled VALVE
gfehr
Member Posts: 1
Fabricating an outside (of course!) solar heater for my in-basement swimming pool. Running 3/4" pex lines to/from outside collector. Looking for an in-line valve that can be opened and closed by an electric snap switch, preferable 12V or 24V. Snap switch would do the decision-making, but ideal would be to "open the valve" at 110F and close at 90F. Valve should either be open 100% or closed 100%. Problem is I haven't found a type and source electrically controlled valve. Helpful hints?
0
Comments
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try a regular zone valve
If you use a zone valve, you also have the benefit of the end switch.There was an error rendering this rich post.
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Piping
Most solar collectors have an output far greater than 110 degrees output, requiring copper piping, not PEX. The PEX will fail if temps exceed 180.0 -
Commercial washing machin solenoid valves.
I have a couple of Burkert 0281 series 1" NPT solenoid valves I pulled off of a commercial clothes washer out of a junkyard. 24 VAC coil, good for 230 psi Check your local scrap yard for treasures.
Because you are talking swimming pool, I would steer clear of stainless steel.
Something to think about, older Mercedes vehicles used to use a external three port thermostat housing. Perhaps that could be included to provide a constant temperature recirc function.
For the safety of you and your family, make sure you properly electrically bond all of the metallic parts to EACH OTHER and also the earth.
It sounds like a interesting project. Good luck.0
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