With a temperature range of -40°F to 150°F and 1/4" quick connect terminals plus screw terminals

" You should read near zero ohms across the terminals

As a Type 91 relay

Reduces the risk of ignitor damage caused by vibration or improper seating in the burner box

Common Questions What is the difference between a standard 6306 and the 6306EMQ

Lennox 45H83 Limit Switch With a temperature range ofThe Lennox 45H83 Limit Switch is a critical OEM replacement part engineered for high temperature thermal protection within residential and commercial HVAC systems. As an automatic reset limit switch, this component is factory calibrated to trip between 200F and 230F, effectively interrupting the electrical circuit to the burner or heating elements if internal temperatures exceed safe operating parameters. Designed for 24V or 240V control circuits,