Lennox 93W73 Limit Switch 320788-703 This Apollo 20-151-00 model is

This Apollo 20-151-00 model is rated for 125 PSI at 350°F and up to 300 PSI at 100°F

This R410A thermal expansion valve is a 6-ton rated body engineered specifically for 3

This Honeywell pneumatic thermostat cover is the reliable choice for contractors needing to maintain environmental control integrity in legacy or modern pneumatic systems

or the system tripping the outdoor breaker during startup

Durable Construction: Cast bronze body paired with brass trim resists corrosion and handles temperature fluctuations

Lennox 93W73 Limit Switch 320788-703 This Apollo 20-151-00 model isThe Lennox 93W73 Limit Switch is a critical safety component designed for precise thermal regulation within residential gas furnaces and air handlers. Engineered as a normally closed thermal switch, this fixed temperature limit control is calibrated to open at 140F, effectively interrupting the burner circuit if the heat exchanger temperatures exceed safe operational parameters. This specific Lennox furnace replacement part features a high reliability