Armstrong International B2721 Contactor Els PW 29614 Contractor-Friendly Install: Mounts horizontally with

Contractor-Friendly Install: Mounts horizontally with no accurate leveling required

ensuring a zero-gap seal between the heat exchanger and the external cabinet

and winding burnout

The spring-return mechanism will drive the valve to its normally closed position

If the pilot flame is hitting the thermocouple but the valve won't engage

Armstrong International B2721 Contactor Els PW 29614 Contractor-Friendly Install: Mounts horizontally withThe Armstrong International B2721 is a high performance 50 Amp Contactor designed specifically for heavy duty industrial and commercial humidification systems. Engineered for precision and longevity, this replacement HVAC contactor serves as a critical component in managing power distribution for Armstrong steam humidifiers. It is fully compatible with EHU 600, EHU 601, EHU 602, EHU 701, EHU 703, and EHU 704 models, as well as the HC Series