Trane SRT0987 Starter 321894-709 it utilizes a permanent split

it utilizes a permanent split capacitor (PSC) design for enhanced efficiency and cooler operation

This 190-220F auto limit switch features a 7-1/8 inch insertion depth

The AG13A020 actuator can be detached with a single push-button release

making it a versatile choice for standard V-belt pulley replacements

Trane SRT0987 Starter 321894-709 it utilizes a permanent splitThe Trane SRT0987 Starter is a professional grade PTC Starter engineered for high demand HVAC compressor start assist applications. Rated for 450V and a maximum current of 9 Amp, this Positive Temperature Coefficient device provides the necessary torque boost during the critical startup phase of Trane heat pumps and air conditioning units. Designed as a direct OEM replacement part, it ensures seamless compatibility with existing electrical harnesses