It is designed to sense air pressure

high-temperature control cabinets

Constructed from heavy-gauge steel with a durable black powder-coat finish

avoiding the overheating issues common with generic universal adapters

This specialized flame rod sensor wire facilitates the essential feedback loop between the flame sensor and the ignition control module

Carrier LH33CZ003 Ignition Control 320735-701 It is designed to senseThe Carrier LH33CZ003 Ignition Control is a critical OEM replacement component designed for precise sequence management in Carrier, Bryant, and Payne furnaces. As a veteran grade electronic ignition module, this part manages the interface between the thermostat and the burner assembly, overseeing the hot surface igniter (HSI), inducer motor, and gas valve operations. This DSI ignition control (Direct Spark Ignition) ensures safe and reliable furnace