this unit is rated specifically for 1-50 PSI steam

The 504 is a demand-actuated pneumatic drain

Please cross-reference your unit's model and serial number to ensure alignment with the Carrier 32GB500442E specifications

specifically unit sizes 150-400

It is designed to replace legacy part numbers MOT11992 and MOT08537 and is commonly found in TUD

Browning 1VP71X 1 3/8 Sheave 322838-754 this unit is rated specificallyThe Browning 1VP71X 1 3 8 Sheave is a precision engineered variable pitch sheave designed for commercial HVACR air handling units requiring precise fan speed adjustment. Constructed from high grade cast iron, this single groove component features a 7. 10" outside diameter and is configured for a 1 3 8" fixed bore mounting. The adjustable pitch diameter ranges from 4. 9" to 6. 4", allowing technicians to fine tune system CFM and static pressure