Armstrong 89M77 CapacitorArmstrong 89M77 capacitor delivers a reliable 40+5 F rating at 440V in a compact round package. This high voltage capacitor is built for demanding industrial electrical systems, offering consistent performance in a round form factor that simplifies mounting and serviceability. Whether you're upgrading motor drives, power conditioning, or filtration in commercial equipment, the Armstrong 89M77 provides the dependable capacitance needed for smooth

and safety routines to ensure reliable heat delivery and efficient operation

a practical choice for maintenance

Pressure: 3 PSI

Ideal for both repair and replacement projects

delivers reliable

delivering dependable actuation across fluctuating pressures and loads

a dependable HVAC replacement part designed for professional installation and lasting value

providing flexible integration with existing control panels and interlock wiring

Gas compatibility: natural gas

a NEMA 42 frame

making it suitable for demanding residential systems

Easy installation as part of routine maintenance