fittings are typically sized by the Outside Diameter (OD)

The Lennox 18K44 Limit Switch is a high-reliability OEM replacement normally closed safety control designed for precise thermal management in residential gas furnaces and air handlers

Universal Mounting Hardware: Includes adapters to accommodate various legacy mounting hole patterns in older furnace models

Common Questions Is the Watts 0342692 compatible with both steam and hot water boilers

This coil is designed for the 13

Schneider Electric (Erie) 100-082 Repair Kit Els PW 17895 fittings are typically sized bySchneider Electric (Erie) 100 082 Valve Repair Kit for 1" NPT and 1 1 4" Sweat Two Way General and Steam Service PopTop Series Valves with 8. 0 Cv