It is a safety device designed to prevent equipment fire or cracking of the heat exchanger

These two part numbers refer to the exact same Warrick Series 26 control

The V-6135-2 is specifically calibrated for a switchover pressure range of 11 to 15 psig (77 to 105 kPa)

making it a reliable choice for contractors handling R-410A systems or high-capacity secondary cooling loops

Lennox 59M48 Motor R-410A It is a safety deviceThe Lennox 59M48 Blower Motor is a high performance genuine OEM replacement motor engineered for precision airflow in Lennox furnaces and air handlers. This 3 4 HP HVAC motor operates at a rated 1075 RPM, providing the high torque output necessary for demanding residential and light commercial applications. As a 115V single phase motor, it features a 3 speed configuration that allows contractors to fine tune CFM delivery based on specific ductwork