and TRF2002K

Featuring a durable brass body and high-grade EPDM seals

significantly reducing labor and material costs by eliminating the need for new network wiring

pressure switch lockout codes (often related to the cold end header)

Key Benefits Precision Machining: Ensures an exact fit within the valve assembly to prevent mechanical play and maintain accurate stroke control

Resideo V4043E1003 Zone Valve 340793-762 and TRF2002KThe Resideo V4043E1003 is a heavy duty 120V motorized zone valve engineered for precision control in hydronic heating systems and low pressure steam applications up to 15 PSI. This 1 2 inch sweat zone valve features a normally closed configuration with a reliable spring return mechanism, ensuring positive shut off in the event of power loss. Designed with a brass body and stainless steel stem, it withstands fluid temperatures from 40F to 200F. The 3.