Lennox 47L19 Limit Switch 320074-702 it ensures optimal thermal transfer

it ensures optimal thermal transfer and steady manifold pressure

As a genuine Carrier OEM component

utilizing a standard 48 frame housing for seamless installation

while the included 4G SD card

High Flow Capacity: The 3/4" orifice ensures minimal pressure drop across the valve

Lennox 47L19 Limit Switch 320074-702 it ensures optimal thermal transferThe Lennox 47L19 Limit Switch is a critical OEM replacement part designed for precise thermal regulation in residential and commercial furnaces. As an auto reset limit switch, this 36T series disc style component operates on a normally closed circuit, ensuring the burner assembly remains functional only within safe operating parameters. When the internal plenum temperature reaches the 185F high limit threshold, the switch opens, breaking the circuit