Tjernlund Products 950-1040 Relay 321894-708 Frequent trips are often due

Frequent trips are often due to a clogged flue

Can the actuator be manually overridden in the field

Integrating this genuine HVAC safety switch helps maintain the structural integrity of your rooftop unit or chiller system

making it a dependable choice for critical installations

Remember to recalibrate the calibration screw in the center of the gas cock plug if the housing is repositioned

Tjernlund Products 950-1040 Relay 321894-708 Frequent trips are often dueThe Tjernlund 950 1040 Relay is a specialized 24VAC VAC relay designed for demanding HVACR control circuits. As a field proven power venter relay kit, this component is essential for technicians servicing Tjernlund HSUL series, HS 3, HS 4, and GPAK units. It facilitates critical interlocking between the appliance and draft inducer, ensuring the 24V control circuit can effectively trigger 115V motorized loads. When used as a replacement relay or an