When uptime is the priority

and mechanical components like the compressor and condenser fan

Use this refrigerant sight glass to identify flash gas caused by liquid line restrictions or a shortage of refrigerant

Moisture Detection: High-contrast indicator core provides immediate visual confirmation of desiccant saturation levels

Common Questions Which Reznor models are compatible with this ventor assembly

Tjernlund Products 950-1040 Relay 320074-702 When uptime is the priorityThe 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