238 PRESSURE SWITCH I.D. CHART AP Air Inc. temperature control products Order Online @ www.apairinc.com Call: 1-800-806-5312 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 BLOCK, ORIFICE, 90° EXPANSION VALVES CONDENSERS HEATER CORES CAB AIR FILTERS RADIATORS CHARGE AIR COOLERS Make Normal Type Open (psi) Closed (psi) Thread Size Part # Freightliner Normally Closed 265 psi 180 psi 7/16” x 20 22-274 Freightliner Normally Open 250 psi 300 psi M10 x 1.25 220-215 Freightliner, INT/Navistar Normally Closed 300 psi 250 psi M10 x 1.25 22-262 INT/Navistar Normally Open 205 psi 375 psi M10 x 1.25 22-240 INT/Navistar Normally Open 205 psi 375 psi M10 x 1.25 22-241 INT/Navistar Normally Closed 275 psi 225 psi M10 x 1.25 22-260 Ford/Sterling Normally Closed 46 psi 23 psi M12 x 1.50 220-540 INT/Navistar Normally Closed 310 psi 210 psi M10 x 1.25 22-263 INT/Navistar Normally Closed 280 psi 240 psi 7/16” x 20 22-272 INT/Navistar Normally Open 210 psi 300 psi 7/16” x 20 22-273 Mack Normally Closed 350 psi 250 psi M10 x 1.25 22-231 Paccar - Kenworth Normally Closed 285 psi 240 psi M10 x 1.25 22-261 Paccar - Kenworth & Peterbilt Normally Closed 335 psi 250 psi M10 x 1.25 22-230 Paccar - Kenworth & Peterbilt Normally Closed 330-370 psi 180-240 psi M10 x 1.25 22-232 Paccar - Peterbilt Normally Open 170 psi 215 psi 7/16” x 20 22-270 Make Normal Type Open (psi) Closed (psi) Thread Size Part # Ford/Sterling Normally Open 25 psi 46 psi 7/16” x 20 220-3024 Ford/Sterling Normally Open 25 psi 45 psi M12 x 1.50 22-121 INT/Navistar Normally Open 3 psi 32 psi M12 x 1.50 22-100 INT/Navistar Normally Closed 35 psi 5 psi M12 x 1.50 22-120 INT/Navistar Normally Closed 35 psi 5 psi M12 x 1.50 220-4501 Paccar - Kenworth Normally Open 8 psi 32 psi M12 x 1.50 22-102 Paccar - Kenworth & Peterbilt Normally Open 18 psi 30 psi M12 x 1.50 22-103 Paccar - Kenworth & Peterbilt Normally Open 23 psi 47 psi M12 x 1.50 22-104 Paccar - Peterbilt Normally Open 15 psi 35 psi 7/16” x 20 22-127 Volvo/Mack Normally Open 6 psi 34 psi 7/16” x 20 22-126 High Pressure Switches Low Pressure Switches
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