Lennox 11H36 Control Kit 318973-401 the 3-speed configuration allows the

the 3-speed configuration allows the Lennox 78F90 to be wired for different speeds—typically a lower speed for heating to maximize temperature rise and a higher speed for cooling to manage latent heat removal

The 3/8" x 1/2" flare fittings allow for a mechanical connection

it can be utilized in various pneumatic configurations to prove pressure or vacuum depending on how the plumbing and electrical contacts are utilized

The 1/4-inch flare connections provide a mechanical gas-tight seal that stands up to vibration and thermal cycling without the need for brazing

The Nordyne 903903 10KW Heater Element is a critical OEM replacement for staged heating in Intertherm

Lennox 11H36 Control Kit 318973-401 the 3-speed configuration allows theRestore full communication and system performance with the Lennox 11H36 iComfort Control Kit, a critical OEM replacement control board kit engineered specifically for iComfort enabled outdoor units. Designed for communicating modulating AC and heat pump units, this kit resolves common intermittent operation issues and outdoor unit non response faults. This 11H36 control kit (Catalog #605341 10) includes the 103369 04 outdoor control board and updated