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Are there any replacement parts available for an MK-3121?

Issue:
What are the available replacement parts for an MK-3121 actuator?

Product Line: 
HVAC / Field Devices 

Environment:
Actuator

Cause:
Repair / Replacement / Maintenance

Resolution:

Yes, there is only one replaceable part available for an MK-3121 actuator and it is the diaphragm. Replacement diaphragm is listed as PND-002-1.
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