Description
Resideo VCZAA1000 Valve 326058 757 The Single Pole Double Throw (SPDT) mechanism The Single Pole Double Throw (SPDT) mechanism allows you to wire the common terminal to your controller or "no heat" calls caused by a failing assembly that can no longer maintain proper draft requirements
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Frequently Asked Questions for Resideo VCZAA1000 Valve 326058-757 The Single-Pole Double-Throw (SPDT) mechanism
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