Whether you are performing a repair on a rooftop unit or a large-scale chiller

Can I use this for both the primary and secondary drain ports

Low Pressure Drop: Optimized internal bore design ensures maximum mass flow rate with minimal pressure loss across the valve

Versatile Mounting: Standard 1/16" panel mount standoff allows for immediate replacement in existing Warrick or Gems Sensors control enclosures

Durable Encapsulation: Robust epoxy or molded construction protects the internal solenoid windings from moisture and industrial contaminants

Trane VAL8391 Valve 322838-753 Whether you are performing aThe Trane VAL8391 is a heavy duty, 4 way heat pump reversing valve engineered for 10 ton commercial and industrial HVACR applications. This OEM Trane replacement part (also identified as VAL08391) is critical for managing refrigerant flow direction, allowing a single system to bridge the gap between heating and cooling cycles. Designed with a robust brass body, it features 1 1 8" x 1 3 8" ODF solder connections to ensure high pressure stability and