This specific HVAC drain pan is the direct replacement for 329512-708

Field-Serviceable: The modular coil system allows for quick electrical swaps without breaking the fluid line

Dual-Function Protection: Merges operating limit functionality with a fixed high limit for redundant system safety

it frequently serves as a direct cross-reference for specific Johnson Controls and Ranco series high-pressure cutouts

allowing technicians to replace worn OEM mounts or convert motor applications without modifying the existing housing

Carrier HK02ZB309 Pressure Switch 322838-752 This specific HVAC drain panThe Carrier HK02ZB309 Pressure Switch is a critical OEM replacement part designed for high pressure monitoring in Carrier, Bryant, and Payne HVAC systems. This vapor pressure switch features precise factory set trip points, with an open pressure of 384 PSI and a close pressure of 309 PSI. Engineered for Puron (R 410A) units, it maintains system integrity by preventing hazardous overpressure events and ensuring the compressor operates within safe