LENNOX Rollout Switch: Mfr Part # 78L29
SKU 3G-OTH-77531
Need installation or engineering help?
Ask a question
Frequently Asked Questions
What is a LENNOX rollout switch used for?
A LENNOX rollout switch is a safety device that shuts off the gas supply if flames or hot gases escape the combustion chamber, preventing overheating or fire. It is commonly used in residential and commercial HVAC systems to protect equipment and personnel.
What are the specifications of the LENNOX 78L29 rollout switch?
The LENNOX 78L29 is a heater accessory with manufacturer part number 78L29. It is designed as a replacement HVACR control for rollout protection. For exact electrical ratings and temperature thresholds, consult the product datasheet or contact 3G Electric for technical support.
Where to buy a LENNOX 78L29 rollout switch worldwide?
3G Electric supplies the LENNOX 78L29 rollout switch to customers worldwide. We handle full logistics, customs clearance, and delivery to your site. Contact our team to place an order or request a quote for this genuine LENNOX part.
How to install a LENNOX rollout switch?
Install the LENNOX rollout switch in the burner compartment near the heat exchanger, following the manufacturer's wiring diagram. Ensure the switch is securely mounted and electrical connections are tight. Always disconnect power and gas before installation, and test operation after replacement.
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.















