Carrier LH33WZ009A Electrode Sensor 322057-301 oversized markings on the range

oversized markings on the range scale and an external adjustment knob facilitate easy setpoint changes in low-light conditions

including the D4120

this unit is specifically designed for Category I atmospheric gas appliances

Rated for pressures up to 300 PSI and temperature ranges from 34°F to 200°F

Carrier LH33WZ009A Electrode Sensor 322057-301 oversized markings on the rangeThe Carrier LH33WZ009A Electrode Sensor is a critical OEM safety component engineered for precise flame detection in high performance HVAC systems. Built to withstand the rigorous thermal environment of a burner assembly, this flame sensor electrode utilizes a high grade stainless steel rod and a 72 inch lead wire to ensure continuous monitoring of the ignition process. For service technicians, this sensor is the primary defense against gas buildup;