Johnson Controls D-251-6002 Diaphragm 30067439-890 Professional Grade Design: Features a

Professional Grade Design: Features a high-grade dielectric film that reduces internal heat buildup

Simple Installation: Standard 7/8-inch duct cutout with an integral gasketed flange simplifies mounting on sheet metal ducts

Robust Performance: Rated for 1A PV / 2A MV maximum loads at 60Hz

As a veteran-grade furnace ignitor

Johnson Controls D-251-6002 Diaphragm 30067439-890 Professional Grade Design: Features aFor field technicians maintaining legacy pneumatic systems, the Johnson Controls D 251 6002 Diaphragm is the primary replacement component for Number 2 pneumatic actuators. This replacement actuator diaphragm is engineered from a durable synthetic rubber compound, specifically designed to restore the pressure seal and stroke integrity of D 251 series damper actuators. In the field, a ruptured diaphragm leads to air bypass and failed damper