The 71R7075 dual function pressure switch provides both low-pressure and high-pressure protection for mobile A/C systems by controlling compressor operation when system pressures move outside safe operating limits.
This switch uses a 7/16-20 UNF threaded connection and is designed to automatically reset once pressures return to normal operating range. It is commonly used across a wide range of Freightliner, Volvo, Navistar, PACCAR, and industrial HVAC applications. Use the specifications and interchange numbers below to confirm proper fitment before ordering.
Product Specifications
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Part Type: Dual Function Pressure Switch (Low / High)
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Part Number: 71R7075
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Factory Number: RD-5-8433-0P
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Low Pressure Function:
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Opens: ~2 PSI
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Closes: 28 PSI
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High Pressure Function:
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Opens: ~428 PSI
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Closes: 384 PSI
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Thread Size: 7/16-20 UNF
- Operation: Dual pressure protection with automatic reset
Cross References
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Texas Truck AC: 850-8903, 850-8903A
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A/C Parts Warehouse: 02-1512
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AirSource – MEI: 1512
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Alliance: ABP N83 318109
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Bergstrom: 650869, 650870
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Climatech: BB1455
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CoolCab: 901201
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CoolStar – MEI: 922-1020
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Euclid: E-807200
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Fleetrite: ZGG14870, ZGG19227
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Four Seasons: 36646
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Freightliner: 22-36474-000, A22-36474-000, FJK-SP4052, MVA1-9227
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Komatsu: RD-5-8433-0
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Kysor: 2212001 (404428 old)
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Motivair: 44588
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Navistar: 1514330-C2, 711008
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Omega: 29-30706, 29-30729
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PACCAR: FJKSP4071
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Primatech: PTAC1512
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RigMaster: RP9-029
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RoadForce: RF3556508546
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TRP/Climatech: BB14550
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Truck Air – MEI: 11-0616
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TruckAC+: T2362
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Volvo: 3093419
Interchange Numbers
03-13070, 1-9227, 11-0616, 1512, 1514330C2, 22-36474, 2212001, 232-8542, 3093419, 36646, 404428, 4379-RD584330P, 650869, 71R4571, 71R7050, 71R7075, 850-8903, ABP N83 318109, BB14550, RDHRD584330P, RDT71R7075, SWI3120
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