or walk-in coolers where the control head must be mounted externally

it is not a direct pneumatic replacement without a transducer

Ensure your poly tubing is rated for 30 psi to safely accommodate the 25 psi maximum control pressure

The Copeland Comfort Control (Alco) 059189 Power Assembly

Reznor 11792 Orifice Els PW 29614 or walk-in coolers where theThe Reznor 11792 is a precision engineered #41 main burner orifice designed for specific gas fired unit heaters. As a genuine OEM Reznor part, this 11792 orifice ensures accurate fuel metering and consistent thermal output for 100 MBH heating units. It is critical for maintaining the stoichiometric balance required for efficient combustion and preventing soot accumulation or burner inefficiencies. When performing a Reznor 11792 replacement or a