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The A99 series sensors can be extended up to 250 feet using 22 AWG shielded cable
Universal Voltage Compatibility: Supports 120
covering R-22 and R-404A systems typically found in supermarket and walk-in applications
and pressure switch trip errors (such as Code 31) when a wheel becomes imbalanced or the hub loosens
always verify the internal configuration for heat pump applications
Schneider Electric (Barber Colman) MK-3101 Pneumatic Damper Actuator Els PW 29614 The A99 series sensors canFor high performance environmental control, the Schneider Electric MK 3101 (formerly Barber Colman MK 3101) is the industry standard pneumatic damper actuator for proportional or two position control. This proportional pneumatic actuator features an 8 in effective diaphragm area and is engineered specifically for HVAC damper control in mixing boxes, air valves, and terminal units. With a 3 to 8 psi spring range, it provides reliable spring return fail