York S1-331-03764-002 Board Kit 324846-701 this manifold is a direct

this manifold is a direct fit for compatible Bryant and Payne 90%+ AFUE furnaces that utilize the same internal chassis as Carrier units

suitable for fan motors

offering full-range adjustment via the serrated thumbwheel

Advanced Scroll Geometry: Enhanced reliability with an internal inherent protection system and no complex internal valves

Can the actuator action be reversed in the field

York S1-331-03764-002 Board Kit 324846-701 this manifold is a directThe York S1 331 03764 002 Twinning Circuit Board Kit is an essential field installation solution for technicians seeking to link two residential standard ECM furnaces on a common duct system. This OEM York control board synchronizes the blower motors and ignition sequences, effectively doubling the airflow (CFM) and heating capacity while preventing the "blow back" issues and limit tripping common in poorly synchronized dual unit setups. By utilizing