Reznor 120153 Orifice 319848-301 this 511-330-148 kit maintains the

this 511-330-148 kit maintains the specific 120V characteristics and mounting alignment required for OEM burner housing

Direct OEM Replacement: Ensures full compatibility with proprietary Trane HVAC systems

This SPST pressure switch operates on a 10/30# logic

Precise Pressure Sensing: The internal equalizer eliminates the need for external lines on systems without significant evaporator pressure drops

This Single Pole Double Throw relay is the direct OEM replacement for legacy part numbers S1-6313-2271 and 134-20103-301D

Reznor 120153 Orifice 319848-301 this 511-330-148 kit maintains theThe 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,