{"product_id":"rp904a-1009-3-honeywell-direct-grad-u-pneumatic-relay-control-device","title":"RP904A-1009-3 | Honeywell Direct Grad-U Pneumatic Relay Control Device","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-end=\"408\" data-start=\"21\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe Honeywell RP904A-1009-3 is a pneumatic relay designed for use in HVAC and industrial pneumatic control systems. It functions as a Direct Grad-U-Relay, amplifying and transmitting air pressure signals to control downstream devices. This unit is used to improve signal accuracy and response in building automation and process control applications.\u003c\/p\u003e\n\u003cp data-start=\"20\" data-end=\"417\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"20\" data-end=\"417\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"width: 64.3539%;\" height=\"321\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003eHoneywell\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003ePneumatics\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003eRP904A-1009-3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003ePneumatic Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003ePneumatic Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003eRP904A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eRelay Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003eDirect Grad-U-Relay\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eControl Medium\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003eCompressed Air\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003eHVAC and Industrial Pneumatic Control Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eMounting Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003ePanel \/ Control Assembly Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eFunction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003ePneumatic Signal Amplification and Transmission\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"width: 25.9194%;\"\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd style=\"width: 73.7303%;\"\u003e3.00 lbs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch4\u003e\u003cbr\u003e\u003c\/h4\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cmeta charset=\"utf-8\"\u003e \u003cspan data-sheets-root=\"1\"\u003eRP904A-1009-3\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp data-end=\"888\" data-start=\"383\"\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe RP904A-1009-3 is part of Honeywell’s RP904A series of pneumatic relays engineered for proportional pressure control. It is designed to receive a control air signal and provide a corresponding output pressure with stable and repeatable performance. The device is typically installed within pneumatic control panels or field-mounted enclosures as part of a larger air control network. Its construction supports reliable operation in commercial HVAC systems where consistent air signal transmission is required.\u003cbr\u003e\u003c\/p\u003e\n\u003cp data-end=\"828\" data-start=\"372\"\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003eKey Features:\u003c\/strong\u003e\u003cstrong data-start=\"1085\" data-end=\"1102\"\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-end=\"1525\" data-start=\"945\"\u003e\n\u003cli data-end=\"1047\" data-start=\"945\"\u003e\n\u003cp data-end=\"1047\" data-start=\"947\"\u003eDirect Grad-U-Relay Design: Provides proportional pneumatic signal transmission and amplification.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1149\" data-start=\"1048\"\u003e\n\u003cp data-end=\"1149\" data-start=\"1050\"\u003ePneumatic Control Function: Transfers and stabilizes air pressure signals within control systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1247\" data-start=\"1150\"\u003e\n\u003cp data-end=\"1247\" data-start=\"1152\"\u003eHVAC System Integration: Suitable for building automation and environmental control networks.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1339\" data-start=\"1248\"\u003e\n\u003cp data-end=\"1339\" data-start=\"1250\"\u003ePanel or Field Mounting: Designed for installation within pneumatic control assemblies.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1432\" data-start=\"1340\"\u003e\n\u003cp data-end=\"1432\" data-start=\"1342\"\u003eSignal Amplification Capability: Improves response and accuracy of downstream actuators.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-end=\"1525\" data-start=\"1433\"\u003e\n\u003cp data-end=\"1525\" data-start=\"1435\"\u003eIndustrial Application Use: Compatible with commercial and industrial pneumatic systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-end=\"1656\" data-start=\"1527\"\u003eThe RP904A-1009-3 delivers the reliability and precision required for stable pneumatic signal control in HVAC automation systems.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49104857071872,"sku":"RP904A-1009-3","price":774.69,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/s-l1600_c721c63b-8d7b-4b66-805d-50d1dab9b59e.webp?v=1785534652","url":"https:\/\/alotechparts.com\/products\/rp904a-1009-3-honeywell-direct-grad-u-pneumatic-relay-control-device","provider":"Alo Tech Solutions","version":"1.0","type":"link"}