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NEMA 48Y Frame: Standardized dimensions and lug mounting ensure compatibility with a wide range of residential condensing units
Verify 24V across the bottom heater terminals
Proper installation of the S1-025-41001-000 helps maintain consistent superheat levels across the evaporator
These are brittle
it is the standard choice for low-pressure steam systems
Resideo V4043A1002 Zone Valve 320788-703 NEMA 48Y Frame: Standardized dimensionsThe Resideo V4043A1002 Zone Valve is a reliable, high performance solution for controlling the flow of hot or chilled water in closed loop systems. This 120V hydronic zone valve features a 1 2 inch flare connection and is designed with a normally closed configuration, utilizing a spring return to close mechanism for fail safe operation. Built for durability in demanding environments, it incorporates a brass body, a corrosion resistant stainless steel
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