Red Dot 71R7050 Binary Pressure Switch – 7/16-20 UNF Female Thread

The Red Dot 71R7050 binary pressure switch provides both low-pressure and high-pressure protection for mobile A/C systems by preventing compressor operation outside safe operating ranges. This dual-function design helps protect against refrigerant loss on the low side and excessive pressure on the high side.

It features a 7/16-20 UNF-2B female threaded fitting, making it a common fit across a wide range of heavy-duty truck, agricultural, and off-highway HVAC applications. Use the interchange numbers and application references below to confirm compatibility before ordering.

Product Specifications

• Part Type: Binary Pressure Switch (Low / High Protection)

• Red Dot Part No.: 71R7050

• Red Dot Factory Part No.: RD-5-4640-0P

• Function: Dual pressure cutout (binary)

• Thread Type: 7/16-20 UNF-2B Female

• Application: Multi-fit mobile A/C systems

• Refrigerant Compatibility: R12 / R134a (application dependent)

Cross Reference Numbers

• Texas Truck AC: 850-8901

• AirSource – MEI: 1510

• Alliance: ABP N83 318059, 318089, 318119

• Bergstrom: 650448, 650636

• Climatech: BC1015, BC1020

• CoolCab: 901200

• CoolStar – MEI: 922-1010

• Euclid: E-807201

• Fleetrite: ZGG11069

• Ford / New Holland: 86508368

• Four Seasons: 35898

• John Deere: RD-5-4640-0

• Kysor: 2299033 (404415 – old)

• Mack: 1MR3506, 4379-RD559761

• Motivair: 1-1069

• Murray: 207071

• Omega: 29-R7050

• Primatech: PTAC1510

• Thermo King: 41-7020

• Truck Air – MEI: 44895

• TruckAC+: T2361

• Volvo: 61522-0006

• Road Choice: SWI3010

Interchange Numbers

03-13042, 1-1069, 11-2630, 119-9637, 1510, 20707100B, 2299033, 232-8541, 279-2098, 404415, 41-7020, 4379-RD546400, 4379-RD546400P, 4379-RD559760P, 4379-RD559761P, 486-2451, 61522-0006, 650448, 650636, 71R7050, 850-8901, 86508368, 922-1010, 925716, ABP N83 318059, ABP N83 318089, AT254468, AT262562, BC10150, BC10200, E-807201, RD546400, RDHRD546400P, RDT71R7050, SWI3010, ZGG11069