{"product_id":"demco-6339-braking-system-air-tester-for-afo-stay-in-play-duo","title":"Demco 6339 Braking System Air Tester for AFO \u0026 Stay-IN-Play DUO","description":"\u003ch2\u003eDemco 6339 Braking System Air Tester for AFO \u0026amp; Stay-IN-Play DUO\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eDemco 6339 Braking System Air Tester\u003c\/strong\u003e is a diagnostic accessory designed to help troubleshoot \u003cstrong\u003eair-pressure loss\u003c\/strong\u003e in compatible Demco supplemental braking systems.\u003c\/p\u003e\n\n\u003cp\u003eDemco specifies the 6339 Air Tester for use with both the \u003cstrong\u003eAir Force One (AFO)\u003c\/strong\u003e and \u003cstrong\u003eStay-IN-Play DUO\u003c\/strong\u003e braking systems, making it a useful service and troubleshooting tool for compatible flat-towing brake installations.\u003c\/p\u003e\n\n\u003ch3\u003eDemco 6339 Specifications\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 6339\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct:\u003c\/strong\u003e Braking System Air Tester\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eProduct Type:\u003c\/strong\u003e Supplemental Braking System Diagnostic Tool\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e RV Flat Towing\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eCompatible Braking Systems:\u003c\/strong\u003e Demco Air Force One and Stay-IN-Play DUO\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePrimary Purpose:\u003c\/strong\u003e Diagnose Loss of Air Pressure\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUse:\u003c\/strong\u003e Braking System Troubleshooting and Service\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFeatures \u0026amp; Benefits\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHelps Diagnose Air-Pressure Loss:\u003c\/strong\u003e Designed to assist with troubleshooting loss of air pressure in compatible Demco supplemental braking systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAir Force One Compatible:\u003c\/strong\u003e Designed for diagnostic use with compatible Demco Air Force One braking systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eStay-IN-Play DUO Compatible:\u003c\/strong\u003e Also works with compatible Demco Stay-IN-Play DUO braking systems.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eUseful Service Tool:\u003c\/strong\u003e Helps technicians and RV owners troubleshoot the air-operated portions of the supplemental braking setup.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGenuine Demco Accessory:\u003c\/strong\u003e Manufacturer-specified diagnostic accessory for compatible Demco braking systems.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eDiagnose Air-Pressure Problems\u003c\/h3\u003e\n\n\u003cp\u003eAir pressure plays an important role in the operation of Demco's Air Force One and Stay-IN-Play DUO supplemental braking systems. When an air-pressure problem is suspected, the Demco 6339 provides a purpose-built tool to assist with diagnosis.\u003c\/p\u003e\n\n\u003cp\u003eThe tester can be used as part of the troubleshooting process to help identify air-pressure loss in a compatible braking-system installation.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The Demco 6339 is a \u003cstrong\u003ediagnostic tool and is not a supplemental braking system or replacement braking component\u003c\/strong\u003e. Follow current Demco troubleshooting and service procedures when diagnosing braking-system problems. Supplemental braking systems are safety-critical equipment, and repairs should be performed by a qualified technician when appropriate.\u003c\/p\u003e\n\n\u003ch3\u003eWhat's Included\u003c\/h3\u003e\n\n\u003cul\u003e\n  \u003cli\u003eDemco 6339 Braking System Air Tester\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eManufacturer Part Number:\u003c\/strong\u003e 6339\u003c\/p\u003e","brand":"RV Towing Pros","offers":[{"title":"Default Title","offer_id":67608876122363,"sku":"6339","price":0.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0741\/3851\/7755\/files\/6339.jpg?v=1790869775","url":"https:\/\/rvtowingpros.com\/products\/demco-6339-braking-system-air-tester-for-afo-stay-in-play-duo","provider":"RV Towing Pros","version":"1.0","type":"link"}