Lennox 10F73 Contactor Simple Installation: Standard 7/8-inch duct

Simple Installation: Standard 7/8-inch duct cutout with an integral gasketed flange simplifies mounting on sheet metal ducts

use a multimeter to check for continuity

Universal Foot Mount: Standard mounting footprint simplifies the swap-out process in the field

High-Temperature Insulation: Equipped with 4-1/2" leads and 200°C rated insulation for protection against radiant heat damage

it is recommended to pour approximately one cup of water into the assembly to establish the initial water seal before cycling the furnace

Lennox 10F73 Contactor Simple Installation: Standard 7/8-inch ductThe Lennox 10F73 is a professional grade 25 Amp single pole contactor designed for high reliability switching in residential and commercial condensing units. This definite purpose contactor features a 24V coil (24 VAC 50 60 Hz) and is engineered to handle a full load amperage (FLA) of 25A with a 35A resistive rating. As a 1 pole contactor with shunt, it ensures constant power to the crankcase heater while managing the primary compressor circuit. Field