Plaza notes
Hard ruleDescription
with a maximum of 1/2 PSI
a different 80-series model is required
Automatic Reset Functionality: Minimizes downtime by automatically restoring the SPDT circuit once pressure returns to safe operating levels
Built for the rigors of commercial and industrial hydronic applications
providing sufficient fuel flow for large-scale commercial burners
Schneider Electric (Barber Colman) MK-4421 Actuator R-410A with a maximum of 1/2The Schneider Electric (Barber Colman) MK 4421 is a heavy duty pneumatic damper actuator engineered for proportional or two position control in demanding HVACR applications. This spring return actuator is the designated direct replacement for M593 5095 and M693 5095 models, ensuring seamless integration into existing Barber Colman pneumatic control systems. Featuring a rugged cast aluminum housing and a durable neoprene diaphragm, the MK 4421 provides
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy