Robust 3-Pole Design: Provides reliable switching for three-phase equipment or multi-line disconnection in high-draw systems

use a manometer to verify the actual draft

it is best practice to verify if the 24V coil is pre-installed

Pneumatic Actuator

Broad Compatibility: Drop-in replacement for Lennox EL280

Reznor 120153 Orifice 321042-401 Robust 3-Pole Design: Provides reliableThe 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,