Reznor 120153 Orifice 320720-756 A built-in thermal barrier protects

A built-in thermal barrier protects the actuator from high fluid temperatures

Streamlined Installation: Designed as a complete heater assembly to minimize downtime during field repairs and maintenance

while the base model number is used for technical identification

preventing the intermittent open circuits or high-resistance faults that lead to costly HVAC system diagnostics and service calls

The integrated magnetic clutch provides constant output force and protects the motor from damage during stall conditions

Reznor 120153 Orifice 320720-756 A built-in thermal barrier protectsThe Reznor 120153 Orifice is a precision engineered #20 burner orifice designed specifically for maintaining consistent gas flow and combustion efficiency in industrial heating systems. As an authentic Reznor replacement part, this 1 2" burner nozzle features a durable steel body with an NPT connection, ensuring a leak proof seal and long term reliability under high thermal stress. For contractors servicing Reznor unit heaters or duct furnaces,