Glass carousel
Harbor frame
Harbor glass · Clear tide edit
Harbor notes
Glass shelves · bracketed field sheets
Description
making it ideal for standard temperature regulation where cycle timing must remain consistent
on 3-way valves
and complex delivery systems
providing precise temperature sensing and control for optimal boiler safety switch functionality
making it suitable for millivolt systems and standard 24V applications
Schneider Electric (Barber Colman) MK-3121 Actuator 30067439-890 making it ideal for standardOptimize your pneumatic control systems with the Schneider Electric MK 3121 Actuator, a precision engineered proportional pneumatic damper actuator designed for the professional HVACR contractor. This rugged unit features a 8 to 13 PSI spring range and a versatile 2 to 4 inch adjustable stroke, allowing for exact field calibration in air handling units, mixing boxes, and VAV systems. The MK 3121 is the primary direct replacement for legacy models MK
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
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