paired with a concealed differential adjustment of 3

Installation Efficiency: Vertical mounting and standard lead wire connections reduce time on the job site

as well as the hex-to-square adapters often used on smaller ductless units

allowing technicians to perform vertical adjustments to align the ignition port with the main burner center

Durable Diaphragm: Engineered to resist fatigue from repeated heating and cooling cycles within the furnace vestibule

Schneider Electric (Barber Colman) N800-9426 Diaphragm 30067439-890 paired with a concealed differentialThe Schneider Electric (Barber Colman) N800 9426 Diaphragm is a critical replacement component for maintaining pneumatic system integrity. This heavy duty piston damper actuator diaphragm is specifically engineered for use with Schneider Electric 2466 series and Barber Colman M556 series actuators. As a direct equivalent to the Barber Colman 21 104, it ensures a seamless fit and restores the necessary pressure sensitivity for accurate pneumatic