Lennox 93W73 MAIN LIMIT SWITCH 140F

MAIN LIMIT SWITCH 140F

The 93W73 is a replacement part for the Lennox furnace. The MAIN LIMIT SWITCH 140F will also deliver dependable performance, durability and years of satisfaction. For assured peace of mind, it carries a limited lifetime warranty.

This Lennox 93W73 MAIN LIMIT SWITCH 140F is a genuine replacement part for gas furnaces and boilers manufactured by Lennox. If your furnace's wire terminals are corroded, or if your furnace is not working, then this may be the solution to the problem. The cost of this part includes shipping.

When replacing the MAIN LIMIT SWITCH, use only the part number shown for the MAIN FUSE LINK ADAPTER. A BRASS SCREW BOOSTER MUST BE INSTALLED IN THE CEILING FOR HEAT PUMP APPLICATIONS.

The 93W73 main limit switch is rated 140F (58C) for thermal protection of safety interlock circuits in forced-air furnace/HVAC equipment...

The Lennox 93W73 Main Limit Switch is a safety switch that shuts off the gas if the temperature in the heater reaches 140F to prevent excessive heat buildup. Generally used in furnaces and boilers, it is durable and weather resistant for long term use.

The Lennox® 93W73 MAIN LIMIT SWITCH provides accurate, reliable temperature control in heating and air conditioning systems. This wire-in or screw-in replacement vintage device, with terminal connections, makes an ideal replacement for worn-out or inefficient elements. Use it to find an optimum setting for your HVAC system's thermostat.

Contains: Main Limit Switch (Lennox