this unit functions as the primary "brain" for coordinating blower motor operation

and the unit can support remote sensing up to 400 feet

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

It cannot be used as a direct replacement for 4-speed or 3-speed induction motors without significant system modification

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

Johnson Controls V46AT-2 Regulating Valve Els PW 29614 this unit functions as theThe 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