{"product_id":"johnson-controls-va7820-hga-2-24vac-proportional-spring-return-globe-valve-actuator","title":"Johnson Controls VA7820-HGA-2 24VAC Proportional Spring Return Globe Valve Actuator","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp dir=\"auto\" data-start=\"16\" data-end=\"396\"\u003e\u003cmeta charset=\"UTF-8\"\u003eThe Johnson Controls VA7820-HGA-2 is a direct-mount proportional electric valve actuator designed for modulating control of compatible globe valves in commercial HVAC systems. Johnson Controls part number VA7820-HGA-2 operates from 24 VAC power and combines spring-return operation, automatic stroke adjustment, manual override, and 0–10 VDC proportional control for dependable hydronic valve positioning.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJohnson Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHVAC \u0026amp; Building Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVA7820-HGA-2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eValve Actuators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVA7800 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eElectric Globe Valve Actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActuator Operation\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProportional \/ Spring Return\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFail-Safe Action\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eSpring Return, Retracted Valve Position\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Consumption\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 3 VA\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Signal\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0–10 VDC Proportional\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eValve Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStroke Setup\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAutomatic Stroke Adjustment\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManual Override\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePosition Indication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eStroke Position Indicator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eStatus Indication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eLED\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Temperature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e23°F to 131°F (-5°C to 55°C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eEnclosure Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNEMA 2 \/ IP54\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eElectrical Connection\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e48 in UL 758 Type AWM Halogen-Free Cable, 18 AWG Conductors\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApprox. 2.4 kg (5.3 lb)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003eVA7820-HGA-2\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cspan\u003eThe VA7820-HGA-2 is a Johnson Controls VA7800 Series electric actuator engineered for direct installation on compatible HVAC globe valve assemblies. Its proportional control system positions the valve according to a 0–10 VDC command, while automatic stroke adjustment simplifies commissioning by adapting actuator travel to the installed valve. The spring-return mechanism is configured for a retracted valve position during loss of operating power, providing a defined fail-safe response for the controlled hydronic circuit. A manual override, visible stroke-position indicator, status LED, IP54\/NEMA 2 housing, and factory-installed 48-inch cable support installation, setup, inspection, and maintenance in commercial heating and cooling systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cspan\u003eSpring-return function: Returns the actuator to its designated fail-safe position when operating power is removed.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eRetracted fail-safe position: Configured to retract the valve stem during spring-return operation.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProportional control: Accepts a 0–10 VDC command for continuous modulating valve positioning.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003e24 VAC operation: Uses standard low-voltage power commonly available in commercial HVAC control systems.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eDirect-mount construction: Installs directly onto compatible globe valves without a separate linkage assembly.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eAutomatic stroke adjustment: Automatically adapts actuator travel to the connected valve during setup.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eManual override: Allows valve positioning during commissioning, inspection, or service procedures.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStroke position indicator: Provides visual indication of the current actuator and valve position.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eStatus LED: Provides convenient visual operating-status information during installation and troubleshooting.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eLow power consumption: Approximately 3 VA operating requirement helps minimize control-system electrical demand.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eProtected enclosure: NEMA 2 and IP54 construction provides protection for applicable indoor HVAC installations.\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan\u003eFactory cable: Includes an approximately 48-inch halogen-free electrical cable with 18 AWG conductors.\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan\u003eThe VA7820-HGA-2 delivers the reliability and precision required for proportional hydronic valve control and spring-return operation in commercial HVAC systems.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp id=\"p-rc_c7b8f4fae39e183e-25\"\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\u003c\/ul\u003e","brand":"Yaskawa","offers":[{"title":"Default Title","offer_id":52788539162922,"sku":"VA7820-HGA-2","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/images_6.jpg?v=1790626672","url":"https:\/\/iqelectro.com\/products\/johnson-controls-va7820-hga-2-24vac-proportional-spring-return-globe-valve-actuator","provider":"IQElectro","version":"1.0","type":"link"}