LENNOX Limit Switch: Mfr Part # 26G78
SKU 3G-OTH-79372
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Frequently Asked Questions
What is a LENNOX Limit Switch 26G78 used for?
The LENNOX Limit Switch 26G78 is a replacement limit control used in HVACR systems to monitor and regulate temperature or pressure. It helps prevent overheating or overpressure conditions by interrupting the circuit when thresholds are exceeded, protecting equipment and ensuring safe operation in residential and commercial heating applications.
What are the specifications of the LENNOX Limit Switch 26G78?
The LENNOX Limit Switch 26G78 is a limit control with manufacturer part number 26G78. It is designed as a replacement HVACR control component. For detailed electrical ratings, temperature setpoints, and dimensions, consult the original equipment documentation or contact 3G Electric for technical support.
Where to buy LENNOX Limit Switch 26G78 worldwide?
You can source the LENNOX Limit Switch 26G78 through 3G Electric, a global industrial equipment distributor. We handle full logistics, customs clearance, and delivery to worldwide locations. Contact us for availability and lead time; we provide reliable sourcing for this replacement HVACR control component.
How to install a LENNOX Limit Switch 26G78?
Install the LENNOX Limit Switch 26G78 by first disconnecting power to the HVACR system. Mount the switch securely in the designated location, typically near the heat exchanger or burner. Connect wiring per the manufacturer's wiring diagram, ensuring proper polarity and torque. Test operation before restoring full system power.
Used in
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.









