Sensus (Rockwell-Equimeter) 122-12-1 is a 1/2-inch fixed orifice combustion regulator designed for accurate gas flow control in burner and heating systems. With a 12/28-inch orifice and a maximum inlet pressure of 15 PSI, it helps maintain consistent fuel delivery for stable combustion and dependable system performance.
Its fixed orifice design supports precise, non-adjustable metering in natural gas and compatible fuel gas applications where repeatable flow characteristics are required. The Sensus (Rockwell-Equimeter) 122-12-1 is well suited for HVAC equipment, furnaces, burner assemblies, and OEM-style combustion systems requiring a 1/2-inch connection and reliable operation up to 15 PSI.
This combustion regulator is a practical replacement or service part for applications where controlled gas flow, combustion consistency, and long-term operating reliability are essential.
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