Trane MOT19025 Motor 321702-401 It is factory-set at 350

It is factory-set at 350 PSI to prevent vessel failure and ensure system integrity during abnormal pressure spikes

this is the switch component only

or a failing blower motor before replacing the HH18HA420

This 2-to-5 HP rapid start kit ensures the compressor overcomes head pressure immediately

Trane MOT19025 Motor 321702-401 It is factory-set at 350The Trane MOT19025 Motor is a high performance direct drive motor specifically engineered for Trane and American Standard HVAC units. Operating at 115V with a 1 8 HP output, this single phase motor delivers a consistent 1550 RPM, making it ideal for residential air handlers and furnace blower assemblies. Built on a standard NEMA 48 frame, it features an Open Air Over (OAO) enclosure designed for optimal thermal management during continuous operation.