LENNOX Limit Switch: Mfr Part # 52M73
SKU 3G-OTH-87322
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Frequently Asked Questions
What is the LENNOX 52M73 limit switch used for?
The LENNOX 52M73 limit switch is a replacement HVACR control used in furnaces and air handlers to monitor temperature and prevent overheating. It opens the circuit if internal temperatures exceed safe limits, protecting system components and ensuring safe operation in residential and light commercial heating applications.
What are the specifications of the LENNOX 52M73 limit switch?
The LENNOX 52M73 is a limit switch with manufacturer part number 52M73. It is designed as a replacement HVACR control for temperature safety monitoring. For detailed electrical ratings and temperature thresholds, consult the original equipment documentation or contact 3G Electric for technical support.
Where to buy the LENNOX 52M73 limit switch worldwide?
3G Electric supplies the LENNOX 52M73 limit switch worldwide. As a global industrial equipment distributor since 1990, we handle full logistics, customs clearance, and delivery to your location. Contact our team to place an order or request a quote for this replacement HVACR control.
How to install the LENNOX 52M73 limit switch?
To install the LENNOX 52M73 limit switch, first disconnect power to the HVAC system. Remove the old switch and mount the new one in the same location, ensuring proper alignment with the heat exchanger. Reconnect wiring per the system schematic, then restore power and test operation. Always follow local codes and manufacturer guidelines.
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Common applications for LENNOXLENNOX Products
3G Electric supplies LENNOX replacement hvacr controls, switches & thermostats. We supply genuine products with in-stock availability on common SKUs, technical documentation, commissioning support, and warranty service — worldwide.















