PRESSURE SWITCH I.D. CHART AP Air Inc. temperature control products 239 Order Online @ www.apairinc.com Call: 1-800-806-5312 BLOCK, ORIFICE, 90° EXPANSION VALVES EVAPORATORS KENWORTH HVAC ASSEMBLIES BLOWER MOTORS O-RINGS, STAT-SEALS PRESSURE SWITCHES FITTINGS & HOSE OIL, FLUSH, & DYE SERVICE TOOLS A/C TRUCK KITS A/C COMPRESSORS ACCUMULATORS/ DRIERS CONDENSERS HEATER CORES CAB AIR FILTERS RADIATORS CHARGE AIR COOLERS Ford/Sterling, Freightliner Normally Closed 465 psi 235 psi M10 x 1.25 220-504 Make Normal Type HP Open (psi) HP Closed (psi) Thread Size Part # LP Open (psi) LP Closed (psi) Fan Cycle 325 psi Fan Cycle 270 psi Ford/Sterling, Freightliner Normally Closed 464 psi 237 psi M10 x 1.25 220-505 Fan Cycle 330 psi Fan Cycle 238 psi Freightliner Normally Open 390 psi 260 psi 7/16” x 20 220-1022 26 psi 28 psi Freightliner Normally Open 445 psi 370 psi M10 x 1.25 220-1032 28 psi 30 psi Freightliner Normally Closed 455 psi 341 psi M10 x 1.25 22-384 28 psi 40 psi Mack Normally Open 270-330 psi 80-120 psi 7/16” x 20 220-1026 30-15 psi 40 psi Mack Normally Open 325 psi 240 psi M10 x 1.25 22-382 25 psi 32 psi Mack Normally Open 325 psi 250 psi M10 x 1.25 22-381 32 psi 42 psi Mack Normally Open 318 psi 227 psi M10 x 1.25 22-380 28 psi 28 psi Paccar - Kenworth Normally Open 390 psi 250 psi M10 x 1.25 22-383 30 psi 28 psi Normal Type HP Open (psi) HP Closed (psi) Thread Size Part # LP Open (psi) LP Closed (psi) Fan Cycle Open (psi) Fan Cycle Closed (psi) Binary Pressure Switches Normally Open 325 psi 230 psi 3/8 x 24 Male 220-5640 22.5 psi 40 psi 35-60 psi 200-250 psi 170-200 psi Trinary Pressure Switches
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