Daikin-McQuay 113110902 Gas Heat Hi Limit Switch 7"

The Daikin-McQuay 113110902 Gas Heat High Limit Switch is a temperature safety control designed to monitor and limit excessive heat levels, within HVAC systems, during gas heating operation. It is typically installed near the heat exchanger in furnaces or rooftop units, where it senses temperature conditions and interrupts the burner circuit if limits are exceeded. This component helps prevent overheating and protects internal parts from damage. Positioned within the heating control circuit, it supports safe operation and contributes to maintaining proper thermal regulation.