Maintain peak performance in high-efficiency cooling systems with the Lennox 42W31 TXV

Durability: The NEMA 3R rated steel housing is finished with baked enamel to resist corrosion and structural abuse in harsh outdoor settings

this unit is built to manage the precise air-to-fuel ratios required for efficient ignition and consistent heat exchanger performance

How does external equalization improve performance

When you're dealing with a vertical or horizontal fan coil unit that’s lost its pull

Marvair 70646 Temp Sensor R-22 Maintain peak performance in high-efficiencyProfessional grade climate control requires precise component calibration, and the Marvair 70646 is the critical inside low ambient temperature sensor for maintaining system integrity. Engineered to function as a specialized low ambient switch, this OEM component monitors internal air temperatures to prevent evaporator freeze ups and compressor damage during cold weather operation. It features a 1 4" connection for standard fitment and is rated for