Does this base include a trim ring

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

Key Benefits Enhanced Compatibility: Engineered to interface seamlessly with R4166

As a Type 91 relay

Repeated trippingùor short cyclingùis usually caused by restricted airflow

Lennox 45H83 Limit Switch Does this base include aThe 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,