{"product_id":"cleveland-controls-afs-238-pressure-switch-0-05-12-in-w-c-1-pack","title":"Cleveland Controls AFS-238 Pressure Switch 0.05-12 in W.C. (1 Pack)","description":"\u003ch3\u003eProduct Description\u003c\/h3\u003e\n\u003cp\u003eThe Cleveland Controls AFS-238 is a surface-mount air pressure sensing switch with an adjustable setpoint range for HVAC and proving applications. It uses a diaphragm and calibration spring to actuate a snap-acting SPDT contact and can sense positive, negative, or differential pressure across approximately 0.05 �0.02 to 12.0 in W.C. The switch includes screw terminal electrical connections and ferrule-and-nut compression tubing connectors for 0.25 in OD.\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003eSetpoint range 0.05 �0.02 to 12.0 in W.C.; field adjustable operate and release ranges\u003c\/li\u003e\n  \u003cli\u003eSnap-acting SPDT switch with screw terminal electrical connection and diaphragm vertical mount\u003c\/li\u003e\n  \u003cli\u003eTwo ferrule-and-nut compression connectors accept 0.25 in OD tubing; maximum pressure 0.5 psi; operating temperature -40 to 180 F\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eProduct Highlights\u003c\/h4\u003e\n\u003cp\u003eSurface-mount SPDT air pressure switch, adjustable 0.05�12 in W.C., screw terminals, 0.5 psi max\u003c\/p\u003e\n\u003ch3\u003eProduct Information\u003c\/h3\u003e\n\u003ch4\u003eStandard Information\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: CLEVELAND CONTROLS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: AFS-238\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: United States\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: Cleveland Controls\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eManufacturer Part Number\u003c\/strong\u003e: AFS-238\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Series\u003c\/strong\u003e: AFS\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDescription\u003c\/strong\u003e: Surface-mount air pressure sensing switch for HVAC and proving applications\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSetpoint Range\u003c\/strong\u003e: 0.05 �0.02 to 12.0 in W.C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePressure Range (alternate)\u003c\/strong\u003e: 0.05 to 12 in W.C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaximum Pressure\u003c\/strong\u003e: 0.5 psi (0.03 bar)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSwitch Type\u003c\/strong\u003e: Snap-acting SPDT\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e: Screw terminals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnectors\u003c\/strong\u003e: Two ferrule-and-nut compression connectors (accept 0.25 in OD tubing); some variants may use barbed sample line connectors\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eTerminals\u003c\/strong\u003e: Open mount switch terminals\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMounting Type\u003c\/strong\u003e: Surface mount; diaphragm vertical\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOperating Temperature Range\u003c\/strong\u003e: -40 to 180 F (-40 to 82 C)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApproximate Switching Differential\u003c\/strong\u003e: Progressive, from 0.02 �0.01 in W.C. to ~0.8 in W.C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eField Adjustable Operate Range\u003c\/strong\u003e: 0.07 to 12.0 in W.C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eField Adjustable Release Range\u003c\/strong\u003e: 0.04 to 11.2 in W.C.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eLifespan (cycles)\u003c\/strong\u003e: Minimum 100,000 cycles at 1\/2 psi and maximum rated electrical load\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eVoltage \/ Contact Rating\u003c\/strong\u003e: Contact is a dry snap-acting SPDT contact suitable for AC mains switching (manufacturer lists compatibility up to typical building voltages; verify exact contact amperage from datasheet)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApprovals\u003c\/strong\u003e: CE, CSA, cUL, FM, UL\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eConnection Thread\u003c\/strong\u003e: 7\/16-24 UNS 2A male (fitting thread for compression connector)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eNet Weight\u003c\/strong\u003e: 0.695 lbs\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCountry of Origin\u003c\/strong\u003e: United States\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePackage Quantity\u003c\/strong\u003e: 1\u003c\/li\u003e\n\u003c\/ul\u003e\n","brand":"CLEVELAND CONTROLS","offers":[{"title":"Default Title","offer_id":51500250562866,"sku":"AFS-238","price":76.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0270\/4519\/9983\/files\/314724094.jpg?v=1784683127","url":"https:\/\/voomisupply.com\/products\/cleveland-controls-afs-238-pressure-switch-0-05-12-in-w-c-1-pack","provider":"Voomi Supply","version":"1.0","type":"link"}