Trane ORF1427 Orifice 318518-761 When air pressure from the

When air pressure from the controller acts upon this 8-inch surface

The converter translates the sensed microamps (uA) into a readable millivolt (mV) output for quick verification

Consistent Output: Ships with a

Built to manage refrigerant contaminants such as acid

The integrated 48-inch appliance cable simplifies field wiring

Trane ORF1427 Orifice 318518-761 When air pressure from theThe Trane ORF1427 (also identified under part number ORF01427) is a precision engineered #45 brass orifice designed for critical gas flow regulation in Trane and American Standard furnaces and heating units. As an OEM component, this 0. 045 inch diameter spud ensures precise metering of fuel into the burner assembly, maintaining the exact stoichiometric ratio required for efficient combustion and stable flame characteristics. High grade brass