Rugged Construction: Built to York HVAC equipment standards for reliable performance in demanding environments

What does the 0

75 GPH 80-degree A nozzle ensures optimal fuel-air mixing for efficient heat transfer and reduced soot

Viton Diaphragm & Seals: Offers exceptional compatibility with a wide range of chemicals and high-temperature media

use the larger seal (203999) for spring return motors and the smaller seal (203888) for non-spring return motors to ensure a proper weatherproof seal

Resideo VU53N1033 Valve 319847-401 Rugged Construction: Built to YorkThe Resideo VU53N1033 is a 2 way Normally Closed fan coil valve engineered for precise flow control in commercial hydronic systems. Featuring a 3 4" NPT connection and a 3. 5 Cv flow coefficient, this brass body hydronic valve is designed for high performance integration with hot water and chilled water applications, including solutions with up to 60% glycol concentration. Built with a brass stem, brass seat, and durable EPDM rubber packing, it