The Red Dot 71R6110 high pressure switch with harness is designed to monitor high-side refrigerant pressure in mobile HVAC systems used across Freightliner, Peterbilt, and Navistar vehicle applications. It is a normally open switch that closes at higher pressure (300 PSI) and opens at lower pressure (210 PSI), helping protect the A/C system during elevated pressure conditions.
This switch features a 1/4-inch female flare fitting and includes a two-conductor female Weatherpak connector, providing a secure, weather-resistant electrical connection. Its defined pressure range and broad OEM compatibility make it a reliable service replacement for heavy-duty HVAC systems.
Use the specifications and interchange numbers below to confirm compatibility before ordering.
Product Specifications
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Part Type: High Pressure Switch
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Red Dot Part No.: 71R6110
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Red Dot Factory / Catalog No.: RD-5-6430-0P
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OEM Reference: BOA80-926-00-091
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Switch Type: High side
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Operating Style: Normally open
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Opens At: 210 PSI
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Closes At: 300 PSI
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Function: Opens at low pressure, closes at high pressure
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Fitting: 1/4″ female flare
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Electrical Connection: 2-conductor female Weatherpak connector
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Application: Freightliner, Peterbilt, and Navistar vehicles
Cross Reference Numbers
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Texas Truck AC: 850-8137
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AirSource (MEI): 1468
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Alliance: ABP N83 318060
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Climatech: BA1060
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CoolCab: 901410
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CoolStar (MEI): 912-1024
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Euclid Industries: E-807303
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Fleetrite: ZGG19298
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Four Seasons: 35827
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Freightliner: BOA80-926-00-091, 20PS39-1, 20PS39-37
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Navistar: 1514307-C1
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NDNS: 1514307C1, ABPN83318060, BOA8092600091
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Omega: 29-30204
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Primatech: PTAC1468
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TRP / Climatech: BB10500
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Truck Air (MEI): 11-0611
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TruckAC+: T4147
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Red Dot (Aftermarket): 71R6110
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Red Dot (Factory): RD-5-6430-0
Interchange Numbers
11-0611, 11-0615, 1468, 1514307C1, 1785666, 18-03600, 207628, 20PS3937, 232-8469, 35827, 404254, 4379-RD564300, 4379-RD564300P, 71R6110, 850-8137, 912-1024, A22-30930-0, ABP N83 318060, BB10500, BOA80-926-00-091, BOA80-942-01-695, E-807303, RDHRD564300P, RDT71R6110, SWI1824, ZGG19298
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