Ensure reliable protection for your HVAC system with the Lennox 26H78 (26H7801) Rollout Switch. This OEM safety component is designed to detect abnormal heat conditions caused by flame rollout, automatically shutting down the burner to prevent damage to the furnace or surrounding components. Engineered to meet Lennox’s exact specifications, the 26H78 switch helps maintain safe operation in compatible heating systems.

OEM Lennox Part – Guaranteed compatibility and performance

Critical Safety Feature – Detects and responds to flame rollout

Durable Construction – Built for long-term reliability

Easy Replacement – Pre-calibrated and ready to install

Trust the 26H78 rollout switch to maintain your system's safety and efficiency. Ideal for HVAC professionals and homeowners seeking dependable furnace protection.