Lennox 71G17 Vent Switch which are typically found on

which are typically found on the suction side of larger scroll compressors

this red coded spring provides the mechanical force necessary for consistent diaphragm modulation in residential and light commercial meter sets

OEM Compatibility: Precision-engineered for a drop-in fit in York

Technical Connection: Equipped with dual 1/4" female spade terminals for a snap-fit electrical connection to the furnace control board or harness

Lennox 71G17 Vent Switch which are typically found onThe Lennox 71G17 Vent Switch is a critical safety component designed for precise thermal monitoring in high efficiency HVAC systems. Engineered as a 300F manual reset limit switch, this device serves as a primary defense against dangerous flue obstructions or heat exchanger failures. When vent temperatures reach the 300 degree Fahrenheit threshold, the internal circuit opens, instantly terminating the gas valve signal to prevent carbon monoxide