Johnson Controls D-251-6002 Diaphragm 30067439-890 Standard HVAC manifold gauges and

Standard HVAC manifold gauges and electrical tools are required to verify pressure setpoints and secure wire terminations during setup

Precise Compatibility: Specifically manufactured for McDonnell & Miller Series 67 units

As a veteran-grade furnace ignitor

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

Johnson Controls D-251-6002 Diaphragm 30067439-890 Standard HVAC manifold gauges andFor 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