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For high-performance HVAC equipment protection
The 1/4" NPT back connection ensures a secure
the Lennox 45H83 (part number 45H8301) provides reliable system monitoring without the need for manual intervention after cooling
providing a direct replacement path for standard OEM controls in residential and commercial units
Schneider Electric (Barber Colman) MK-3101 Pneumatic Damper Actuator Els PW 17895 For high-performance HVAC equipment protectionFor 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
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