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Integrating this genuine HVAC safety switch helps maintain the structural integrity of your rooftop unit or chiller system
Precise Safety Actuation: Calibrated at
37 inch water column
Frequent trips are often due to a clogged flue
Using a blade with a different pitch or diameter than the LA01LA029 can overload the condenser fan motor
Tjernlund Products 950-1040 Relay 321894-708 Integrating this genuine HVAC safetyThe 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
