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LENNOX Limit Switch: Mfr Part # 52M73 - Replacement HVACR Controls, Switches & Thermostats
LENNOXReplacement HVACR Controls, Switches & Thermostats

LENNOX Limit Switch: Mfr Part # 52M73

SKU 3G-OTH-87322

Brand
LENNOX
Item
Limit Switch: Mfr Part # 52M73
Category
Replacement HVACR Controls, Switches & Thermostats
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Technical Specifications

LENNOX
Manufacturer Part Number
52M73
Product Type
Limit Switch
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LENNOX Products
3G Electric (S) Pte. Ltd. — Singapore

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.

Used in

Common applications for LENNOX
Commercial HVAC maintenance — Lennox blower wheel 31G67 for replacing worn fans in rooftop units
Gas furnace repair — Lennox induced draft blower 56W68 for exhaust system replacement in residential furnaces
Thermostat upgrade — Lennox 24Z12 for manual control in heat and cool applications in office buildings
Safety system replacement — Lennox limit switch 26G78 for over-temperature protection in industrial heaters
Heat exchanger retrofit — Lennox heat exchanger assembly 96L74 for furnace repair in manufacturing facilities

LENNOX 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.

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