{"title":"HVAC Accessories","description":"\u003cp\u003eHVAC Accessories under HVAC. Products appear here only when manually assigned to this collection.\u003c\/p\u003e","products":[{"product_id":"belimo-22pf-5ug-ultrasonic-flow-sensor-dn40","title":"Belimo 22PF-5UG | Ultrasonic Flow Sensor DN40","description":"\u003cdiv class=\"line-item-details sku\"\u003eSKU:PART-22PF-5UG\u003c\/div\u003e\n\u003cdiv class=\"line-item-details mpn\"\u003eMPN:22PF-5UG\u003c\/div\u003e\n\u003cdiv class=\"line-item-details condition\"\u003eCondition:New\u003c\/div\u003e\n\u003cdiv class=\"line-item-details availability\"\u003eAvailability:Usually ships within one business day.\u003c\/div\u003e","brand":"Belimo","offers":[{"title":"Default Title","offer_id":52811007164703,"sku":null,"price":999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/4776\/2975\/files\/FullSizeRender_e3eeede3-fbbf-4302-b6ca-11c0bebdacf3.jpg?v=1787692925"},{"product_id":"york-371-09212-100-kit-ups-mounting-plate-assy","title":"York 371-09212-100 Kit UPS Mounting Plate Assy","description":"\u003ch1 class=\"productView-title\"\u003eYork \u003ca href=\"tel:371-09212-100\"\u003e371-09212-100\u003c\/a\u003e Kit UPS Mounting Plate Assy\u003c\/h1\u003e","brand":"York","offers":[{"title":"Default Title","offer_id":52830066540831,"sku":null,"price":10999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/4776\/2975\/files\/FullSizeRender_308a7641-e970-41f0-a7de-3d23efe5e021.jpg?v=1786817520"},{"product_id":"daikin-4027010-printed-circuit-board-assembly","title":"Daikin 4027010 PRINTED CIRCUIT BOARD ASSEMBLY","description":"\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003ePart Number:\u003c\/strong\u003e 4027010\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eManufacturer:\u003c\/strong\u003e Daikin McQuay\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e Circuit Board\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e PCB Assembly\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e System Control\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Diakin","offers":[{"title":"Default Title","offer_id":52835024339231,"sku":null,"price":1299.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/4776\/2975\/files\/IMG-1479.jpg?v=1788101769"},{"product_id":"print-281e-f12z-10a-rrg-allen-bradley","title":"281E-F12Z-10A-RRG ArmorStart DOLR-G Starter","description":"\u003cdiv class=\"sc-bczRLJ AYFym\"\u003e\n\u003cdiv class=\"Wrapper-sc-gehxp6 iXYprZ\"\u003e\n\u003cdiv class=\"sc-bczRLJ kEeNDb\"\u003e\n\u003ch1 font-family=\"'Roboto Condensed',  sans-serif\" transform=\"uppercase\" class=\"TypographyStyle-sc-11lquxl hJDnLA\"\u003e281E-F12Z-10A-RRG\u003c\/h1\u003e\n\u003ca class=\"StyledButton-sc-p7nqc9 jPMSqr StyledClickable-sc-zrhm5n ivoWD\" href=\"https:\/\/www.mc-mc.com\/Brands\/allen-bradley\" tabindex=\"0\" target=\"_self\"\u003e\u003cspan font-family=\"'Roboto Condensed',  sans-serif, open-sans\" class=\"TypographyStyle-sc-11lquxl jaamEp StyledTypography-sc-1puxlyr gyrNkT\"\u003eAllen-Bradley\u003c\/span\u003e\u003c\/a\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sc-bczRLJ iPrnOP\"\u003e\n\u003cdiv class=\"Wrapper-sc-gehxp6 iXYprZ\"\u003e\n\u003cdiv class=\"sc-bczRLJ cJXoYr\"\u003e\n\u003cdiv class=\"sc-bczRLJ cYKqt\" tabindex=\"0\"\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl kGdNCW\"\u003e \u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"sc-bczRLJ fRcsjj\"\u003e\n\u003cdiv class=\"Wrapper-sc-gehxp6 iXYprZ\"\u003e\n\u003cdiv class=\"sc-bczRLJ cNdNMr\"\u003e\n\u003cdiv\u003eAutomotive version of 1\/2HP ArmorStart EtherNet\/IP Reversing Starter\u003c\/div\u003e\n\u003cdiv\u003e\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl NlPaQ mcmc-part-number\"\u003e\u003cspan class=\"TypographyStyle-sc-11lquxl kgljTj\"\u003eMFG PART #:\u003c\/span\u003e281E-F12Z-10A-RRG\u003c\/p\u003e\n\u003cp class=\"TypographyStyle-sc-11lquxl NlPaQ mcmc-part-number\"\u003e\u003cspan class=\"TypographyStyle-sc-11lquxl kgljTj\"\u003eUPC #:\u003c\/span\u003e889508117867\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Allen Bradley","offers":[{"title":"Default Title","offer_id":52840913961247,"sku":"281E-F12Z-10A-RRG","price":1576.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/4776\/2975\/files\/281-ST-Standard_1000x1000_dfb6b3f3-b3df-4706-8ca0-b706be19bc64.jpg?v=1788272011"},{"product_id":"trane-cshc100k0a0c-10-ton-scroll-compressor-r22-460v-3ph-com08293","title":"Trane CSHC100K0A0C 10-Ton Scroll Compressor R22 460V 3Ph (COM08293)","description":"\u003cdiv class=\"content-wrapper\"\u003e\n\u003cdiv class=\"data item content\"\u003e\n\u003cdiv class=\"product attribute description\"\u003e\n\u003cdiv class=\"value\"\u003e\n\u003cdiv\u003eThe Trane COM08293 model CSHC100K0A0C is a 10-Ton scroll compressor. It uses R-22 refrigerant and a 460-volt, three-phase power supply. The maximum capacity is 120,000 btu\/hr.\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"content-wrapper\"\u003e\n\u003cdiv role=\"tablist\"\u003e\n\u003cdiv class=\"content-title\" id=\"additional\" role=\"tab\"\u003e\n\u003cdiv class=\"trigger\" tabindex=\"0\"\u003e\u003csvg class=\"icon i-minus\"\u003e\u003cuse\u003e\u003c\/use\u003e\u003c\/svg\u003e\u003c\/div\u003e\nSpecifications\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"data item content\"\u003e\n\u003cdiv class=\"additional-attributes-wrapper table-wrapper\"\u003e\n\u003ctable class=\"data table additional-attributes\" id=\"product-attribute-specs-table\"\u003e\n\u003ccaption class=\"table-caption\"\u003eMore Information\u003c\/caption\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003eTrane\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eMPN\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003eCOM8293\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eModel\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003eCSHC100K0A0C\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eApplication\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003eRefrigeration\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eRefrigerant Rating\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003eR-22\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eBTU Rating\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003e120,000 btu\/hr\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eCompressor Connection\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003eBrazed\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eMotor RPM\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003e1750 RPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eMotor Phase\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003e3-Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eMotor Voltage\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003e460V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eMotor Hertz\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eAlso Known As\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003eCOM08293\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eWeight (lb)\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003e163.00\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003cth class=\"col label\" scope=\"row\"\u003eDimensions (in) — Length × Width × Height\u003c\/th\u003e\n\u003ctd class=\"col data\"\u003e31 × 23.5 × 28\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"TRANE","offers":[{"title":"Default Title","offer_id":52841342337311,"sku":null,"price":3999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/4776\/2975\/files\/trane-com08293-scroll-compressor.jpg?v=1788287600"},{"product_id":"trane-tar-43maaub-wired-ma-remote-controller","title":"Trane TAR-43MAAUB Wired MA Remote Controller","description":"\u003cp\u003eThe Trane TAR-43MAAUB is a wired MA remote controller engineered to provide dependable, hands-on command of compatible Trane mini-split and ductless HVAC systems. Designed as a hardwired wall-mounted solution, it eliminates the limitations of wireless remotes — no battery replacements, no signal interference — giving facility managers, technicians, and homeowners consistent, responsive control over their comfort system.\u003c\/p\u003e\n\u003ch5\u003eKey Features\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eWired MA (Multiple Address) remote controller for compatible Trane mini-split systems\u003c\/li\u003e\n\u003cli\u003eHardwired installation eliminates battery dependency and signal loss\u003c\/li\u003e\n\u003cli\u003eWall-mounted design for convenient, centralized access\u003c\/li\u003e\n\u003cli\u003eIntuitive interface for straightforward operation and mode selection\u003c\/li\u003e\n\u003cli\u003eEngineered to Trane’s quality and reliability standards\u003c\/li\u003e\n\u003cli\u003eIdeal for residential and light commercial ductless applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eWhy Choose the Trane TAR-43MAAUB?\u003c\/h5\u003e\n\u003cp\u003eAs a dedicated wired controller, the TAR-43MAAUB integrates seamlessly with your Trane ductless system, providing a permanent, fixed-point control solution. Its hardwired connection ensures consistent communication between the controller and the indoor unit, making it a preferred choice for installations where reliability and ease of access are priorities. Whether used in a bedroom, office, or commercial space, this controller keeps your environment comfortable and under control.\u003c\/p\u003e\n\u003ch5\u003eCompatibility\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eDesigned for use with compatible Trane MA-series mini-split and ductless systems\u003c\/li\u003e\n\u003cli\u003eConsult Trane documentation or your distributor to confirm compatibility with your specific indoor unit model\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eProduct Specifications\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eBrand: Trane\u003c\/li\u003e\n\u003cli\u003ePart Number \/ SKU: TAR-43MAAUB\u003c\/li\u003e\n\u003cli\u003eController Type: Wired MA Remote Controller\u003c\/li\u003e\n\u003cli\u003eMounting: Wall-mounted\u003c\/li\u003e\n\u003cli\u003eConnection: Hardwired\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"TRANE","offers":[{"title":"Default Title","offer_id":52841346007327,"sku":null,"price":399.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/4776\/2975\/files\/TNTAR-43MAAUB-js.jpg?v=1788287840"},{"product_id":"coolmaster-edge-universal-hvac-control-and-monitoring-device","title":"CoolMaster EDGE Universal HVAC control and monitoring device","description":"\u003cp\u003e\u003cspan\u003eNative integration with all major VRV\/VRF brands.  Simple, intuitive integration with any BACnet controller.  Smart logic enforcement at the local level.  Advanced resiliency with edge data storage and processing.  Continuous cloud synchronization.  Standard interfaces for connecting with building management systems\u003c\/span\u003e\u003c\/p\u003e","brand":"NRA PARTS","offers":[{"title":"Default Title","offer_id":52841357738271,"sku":null,"price":2999.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/4776\/2975\/files\/Edge_desktop.png?v=1788288131"},{"product_id":"adm333hf120-three-drive-system-by-sauter","title":"ADM333HF120 Three-drive system by Sauter","description":"\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eBrand\u003c\/p\u003e\n\u003ca class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value product-detail-page-component-module-scss-module__SKXDoW__brand-link-spec\" href=\"https:\/\/mt.rsdelivers.com\/productlist\/search?query=sauter%20regulation\"\u003eSAUTER REGULATION\u003c\/a\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eProduct Type\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003eActuator\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eSwitch Included\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003eYes\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003ePower Consumption\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003e5.3W\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eFor Use With\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003efor controlling and regulating HVAC building\u0026lt;BR\/\u0026gt;systems\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eControl Type\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003e3-point\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eSupply Voltage\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003e230V\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eMotor Torque\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003e30nm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eNoise Level\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003e30dBA\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eIP Rating\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003eIP65\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eRunning Time\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003e120s\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eAngle of Rotation\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003e90°\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eMinimum Operating Temperature\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003e-15°C\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eMaximum Operating Temperature\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003e60°C\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eStandards\/Approvals\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003eEN IEC 63000\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eSeries\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003eADM333HF\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"product-detail-page-component-module-scss-module__SKXDoW__spec\"\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__label\"\u003eCountry of Origin\u003c\/p\u003e\n\u003cp class=\"snippet product-detail-page-component-module-scss-module__SKXDoW__value\"\u003eGermany\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Sauter","offers":[{"title":"Default Title","offer_id":52841377792287,"sku":null,"price":1679.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0915\/4776\/2975\/files\/5790-0.png?v=1788288748"},{"product_id":"bard-hvac-mc4002-b-advanced-solid-state-dual-unit-lead-lag-controller-with-enhanced-alarm-board","title":"Bard HVAC MC4002-B Advanced Solid State Dual Unit Lead\/Lag Controller with Enhanced Alarm Board","description":"\u003cp\u003eThe Bard MC4002-B is an advanced solid-state dual-unit lead\/lag controller engineered for Bard HVAC wall-mount systems that require reliable redundancy control, staged operation, equipment rotation, and alarm monitoring.  Designed to manage two connected HVAC units, it supports multi-stage cooling and heating, automatic lead\/lag rotation to balance runtime, and selectable sequencing to help maintain stable temperature control in commercial, industrial, telecom, modular, and equipment-room environments.\u003c\/p\u003e\n\u003cp\u003eThe integrated enhanced alarm board adds critical system visibility by monitoring power loss, refrigerant lockout, high and low temperature conditions, controller failure, and environmental thresholds.  This helps maintenance teams identify faults quickly, reduce downtime, and protect cooling equipment in applications where continuous HVAC performance is essential.  The MC4002-B directly replaces the Bard MC4000-B control with alarm and the MC4001-B alarm board, making it a dependable upgrade or service replacement for compatible Bard lead\/lag control systems.\u003c\/p\u003e\n\u003cp\u003eBuilt with solid-state control logic, 24VAC HVAC relay outputs, programmable memory retention, and network monitoring capability, the Bard MC4002-B provides a practical control solution for facilities that depend on coordinated dual-unit operation, alarm reporting, and long-term HVAC system protection.\u003cbr\u003e \u003c\/p\u003e\n\u003ch6\u003e\n\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003cbr\u003e \u003c\/h6\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat is the Bard MC4002-B used for?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Bard MC4002-B is used to control two Bard HVAC wall-mount units in a lead\/lag setup.  It helps stage system operation, rotate equipment runtime, and provide alarm monitoring for critical cooling applications.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDoes the Bard MC4002-B control two HVAC units?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYes.  The MC4002-B is designed for dual-unit HVAC control and supports coordinated operation between two Bard wall-mount air conditioning systems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat does lead\/lag control mean?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eLead\/lag control allows one HVAC unit to operate as the primary unit while the second unit acts as a backup or support unit.  The controller can rotate operation to help balance runtime and reduce wear on a single unit.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat does the enhanced alarm board do?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe enhanced alarm board monitors important system conditions such as power loss, refrigerant lockout, high or low temperature events, controller failure, and environmental alarms.  This helps facility teams respond faster to HVAC problems.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eIs the Bard MC4002-B a replacement part?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYes.  The Bard MC4002-B directly replaces the Bard MC4000-B control with alarm and the MC4001-B alarm board.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhere is the Bard MC4002-B commonly used?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MC4002-B is commonly used in telecom shelters, modular buildings, equipment rooms, mechanical rooms, and commercial HVAC installations where continuous cooling and system redundancy are important.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eDoes the MC4002-B help reduce equipment wear?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eYes.  By rotating lead and lag operation between two HVAC units, the controller helps balance runtime across equipment, which can support longer service life and more even system usage.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003cstrong\u003eWhat voltage does the Bard MC4002-B use for HVAC relay outputs?\u003c\/strong\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe Bard MC4002-B uses 24VAC HVAC relay outputs for compatible control applications.\u003c\/p\u003e","brand":"Bard","offers":[{"title":"Default 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