Resideo 50043683-001 Valve 321894-709 Key Benefits: Precise Defrost Termination:

Key Benefits: Precise Defrost Termination: Fixed O60 C32 logic ensures the system exits defrost mode quickly once the coil is clear

specifically for motors operating within the 2

ensuring precise static pressure is maintained within the combustion chamber for optimal flue gas exhaustion

C3 Internal Clearance: Optimized for high-temp operation and thermal shaft expansion

Designed as a direct Source1 HVAC part

Resideo 50043683-001 Valve 321894-709 Key Benefits: Precise Defrost Termination:Protecting potable water systems from cross contamination is non negotiable in steam based humidification. The Resideo 50043683 001 Water Backflow Prevention Valve is a direct replacement for 50030142 001, specifically designed for use with the TrueSTEAM Humidifier line (including HM506, HM509, and HM512 models). Built with a brass body and high temperature resistant seals, this double check valve ensures internal HVAC water remains isolated from the