Standard 1/2" NPT male connections ensure compatibility with most traditional boiler sight glass ports

Techs should verify the specific MFR part number before installation to ensure electrical clearance and mounting depth

and non-combustible gas systems

This valve is ANSI Z21

Maxon 50431 Orifice Freon Standard 1/2" NPT male connectionsThe Maxon 50431 is a professional grade . 375" NPT High Capacity Adjustable Orifice engineered for precise flow control in industrial combustion systems. Designed as a critical component for Maxon burners, including the Ovenpak, Tube O Flame, and APX series, this adjustable orifice valve allows technicians to fine tune pilot gas flow to ensure optimal spark ignition and flame stability. Its high capacity design and NPT threading provide a reliable,