This is a Taco ZVC404-4 Zone Valve Control E160793 designed for use with Taco and compatible brands. It features a 2-3/4" item thickness, corded electric power source, and a voltage of 120V. The model is Taco ZVC404-2, and the year of manufacture and country/region of origin are unknown. This boiler control and switching relay is perfect for use in HVAC and refrigeration systems, and is an essential part for controlling and regulating temperature in your space.

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