automatically interrupting the burner circuit or gas valve power when it detects temperatures exceeding safe operating parameters

Always verify the specific gravity on your flow charts for accurate capacity sizing

though technicians should always verify total external static pressure during installation

This direct replacement for EF17BG249 features a 1/2" suction and 3/4" discharge ODF (Over Deluxe Fitting) connection configuration

Carrier HH79NZ057 Thermistor 340155-7024 automatically interrupting the burner circuitThe Carrier HH79NZ057 Thermistor is a critical sensing component engineered specifically for low ambient control systems in Carrier, Bryant, and Payne condensing units. This thermistor monitors liquid line temperatures to provide precise feedback to the head pressure controller, ensuring stable refrigerant flow when operating in cooling mode during low outdoor temperatures. As a genuine OEM HVAC replacement part, the HH79NZ057 ensures accurate