It is not interchangeable with the smaller 30-125 units or the larger 225-400 units

making it an essential truck-stock item for immediate field replacements

Always verify the wiring harness configuration before installation

Professional contractors recommend OEM parts to ensure the flame rectification signal is correctly sensed by the control board

and the unit can support remote sensing up to 400 feet

Johnson Controls V46AT-2 Regulating Valve Els PW 29614 It is not interchangeable withThe Johnson Controls V46AT 2 Regulating Valve is a heavy duty, direct acting control solution engineered for maintaining precise head pressure in large scale water cooled condensers. Featuring a 2 1 2" ASME four hole flange connection, this pressure actuated water regulating valve is built from high grade cast iron to withstand demanding commercial environments. It operates with a 160 to 260 PSI opening point range, specifically designed for systems