{"title":"Transformer \u0026 Relays","description":null,"products":[{"product_id":"packard-24-v-contactor-c230a","title":"Packard 24 Contactor","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cb\u003ePackard 24 V Contactor C230A\u003c\/b\u003e, a reliable and efficient solution designed for various electrical applications. Engineered with precision, this contactor is perfect for those seeking optimal performance and durability in their systems.\u003c\/p\u003e\n\n\u003cp\u003eKey features of the \u003cb\u003ePackard 24 V Contactor C230A\u003c\/b\u003e include:\u003c\/p\u003e\n\u003cul\u003e\n    \u003cli\u003e\n\u003cb\u003eVoltage Rating:\u003c\/b\u003e Operates seamlessly at 24 volts, ensuring compatibility with standard systems.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eDurability:\u003c\/b\u003e Constructed with high-quality materials to withstand maximum temperatures, enhancing longevity.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eEasy Installation:\u003c\/b\u003e Designed for straightforward mounting, allowing for quick and hassle-free setup.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eSafety Standards:\u003c\/b\u003e UL and CSA listed, providing peace of mind that it meets rigorous safety and quality standards.\u003c\/li\u003e\n    \u003cli\u003e\n\u003cb\u003eVersatile Applications:\u003c\/b\u003e Ideal for various uses, including HVAC systems, industrial machinery, and more.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThis \u003cb\u003ePackard 24 V Contactor C230A\u003c\/b\u003e is not just another component; it’s a vital part of your operational efficiency. 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Crafted with high-quality materials, this contactor ensures maximum durability and performance under demanding conditions.\u003c\/p\u003e\n\n\u003cp\u003eKey features of the \u003cb\u003ePackard 24 V Contactor\u003c\/b\u003e include:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cb\u003eVoltage Rating:\u003c\/b\u003e Perfectly designed for 24V applications, ensuring seamless operation.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eUL and CSA Listed:\u003c\/b\u003e Meets rigorous safety standards, providing you with peace of mind.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eFoot Mount Design:\u003c\/b\u003e Easy installation and secure mounting for convenience.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eTemperature Tolerance:\u003c\/b\u003e Built to withstand high temperatures, ensuring longevity and reliability.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cb\u003eConnection Length:\u003c\/b\u003e Adequate length for versatile wiring options, enhancing flexibility in installation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe \u003cb\u003ePackard 24 V Contactor\u003c\/b\u003e is ideal for HVAC systems, industrial machinery, and various automation applications. 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Don't compromise on quality; choose the transformer that professionals trust. \u003ci\u003eOrder yours today and experience the Packard difference!\u003c\/i\u003e\u003c\/p\u003e    \u003c\/div\u003e","brand":"Packard","offers":[{"title":"Default Title","offer_id":51111412924690,"sku":"4020928","price":69.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4020928_A.eps_High.jpg?v=1774764714"},{"product_id":"packard-24-v-contactor-c140a","title":"Packard 24 Contactor","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the \u003cb\u003ePackard 24 V Contactor C140A\u003c\/b\u003e, a reliable and efficient solution for your electrical control needs. This high-quality contactor is designed to manage and automate various applications with ease, ensuring optimal performance and longevity.\u003c\/p\u003e\n\n\u003cp\u003eCrafted from top-grade materials, the \u003cb\u003ePackard 24 V Contactor C140A\u003c\/b\u003e boasts a maximum temperature rating that ensures it can withstand demanding environments. 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Whether you’re working on heating systems, low-voltage lighting, or security devices, this transformer will deliver consistent 24-volt output.\u003c\/p\u003e\n\n\u003cp\u003eDon’t compromise on quality; choose the \u003cb\u003eHoneywell Home 120 V Step Down Transformer AT72D1683\/Z\u003c\/b\u003e for your next project and experience the difference in performance and reliability. \u003ci\u003eOrder yours today and power your devices with confidence!\u003c\/i\u003e\u003c\/p\u003e    \u003c\/div\u003e","brand":"Honeywell Home","offers":[{"title":"Default Title","offer_id":51111517159698,"sku":"42177","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/42177_A.eps_High.jpg?v=1774761581"},{"product_id":"white-rodgers-2-pole-2-throw-24-v-furnace-relay","title":"White Rodgers 2 Pole 2 Throw 24 V Furnace Relay","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the White Rodgers 2 Pole 2 Throw 24 V Furnace Relay — a compact, enclosed control device engineered for reliability in demanding furnace environments. With a 24V control coil and a dual-pole, dual-throw design, this relay simplifies how you manage multiple furnace components from a single control point, delivering clean switching for two circuits at once.\u003c\/p\u003e \u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eTwo-pole, two-throw (DPDT) contacts:\u003c\/strong\u003e effortlessly switch two independent circuits in unison, enabling coordinated control of components like gas valves and fan relays.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e24V control coil:\u003c\/strong\u003e designed to integrate smoothly with standard furnace control boards and low-voltage circuits common in HVAC systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosed design:\u003c\/strong\u003e protects the internal contacts from dust, moisture, and incidental damage, extending life in hot, humid, or dusty environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eListings you can trust:\u003c\/strong\u003e UL Listed and CSA Listed for safety and regulatory compliance in typical residential or light commercial installations.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eTemperature tolerance:\u003c\/strong\u003e rated for environments up to 130 (units not specified), providing resilience in standard furnace heat exposure.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, easy to install:\u003c\/strong\u003e a practical replacement for worn or failed relays, designed to drop into existing control panels with minimal modification.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy This Relay Makes Sense for Your Furnace\u003c\/h3\u003e\n\u003cp\u003eIn many furnace control layouts, you need to coordinate two separate outputs from a single control signal. This White Rodgers relay does that with a reliable DPDT arrangement, allowing you to route one 24V input to two distinct circuits or switch two circuits in lockstep. That means cleaner wiring, fewer components, and a simpler path to dependable furnace operation.\u003c\/p\u003e \u003ch3\u003eIdeal Use Scenarios\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eReplacing a failing furnace relay on 24V control boards where two outputs must operate in sync (for example, controlling a gas valve and a secondary relay for the blower or dampers).\u003c\/li\u003e \u003cli\u003eApplications where a single control signal must drive two separate loads, preserving timing and sequencing without additional logic modules.\u003c\/li\u003e \u003cli\u003eHVAC retrofits where compact form factor and enclosed protection reduce exposure to heat and debris inside the furnace cabinet.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical Benefits and Outcomes\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eImproved reliability by using a purpose-built furnace relay with durable, enclosed construction. \u003c\/li\u003e \u003cli\u003eClear, straightforward installation within standard control enclosures, reducing downtime during replacements.\u003c\/li\u003e \u003cli\u003eRegulatory reassurance with UL and CSA listings, helping ensure compliance in residential and light commercial systems.\u003c\/li\u003e \u003cli\u003eVersatile control options thanks to the DPDT configuration, enabling more flexible wiring schemes and easier upgrades from single-pole relays.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eTips for Installation and Longevity\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eVerify the coil voltage on your control board is 24V before installation to ensure proper operation.\u003c\/li\u003e \u003cli\u003eProtect wiring connections and use appropriate conductor sizing to minimize resistance and arcing on switching events.\u003c\/li\u003e \u003cli\u003eStore and install the relay in a clean, dry area within the furnace cabinet to maximize the enclosure’s protective benefits.\u003c\/li\u003e \u003cli\u003eWhen testing, power down the system first, then energize the 24V coil to confirm both outputs switch as intended. If you’re unsure about wiring diagrams, consult your furnace’s service manual or a qualified technician.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eDesigned for HVAC professionals and experienced DIYers alike, the White Rodgers 2 Pole 2 Throw 24 V Furnace Relay provides a dependable, space-efficient, and regulation-backed solution for controlling dual circuits in furnace control systems. Its enclosed construction, dual-throw flexibility, and 24V compatibility make it a thoughtful upgrade or replacement choice for robust furnace performance.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"White Rodgers","offers":[{"title":"Default Title","offer_id":52190472700178,"sku":"4091880","price":17.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4091880_A.eps_High.jpg?v=1775854648"},{"product_id":"white-rodgers-1-pole-2-throw-24-v-fan-relays","title":"White Rodgers 1 Pole 2 Throw 24 V Fan Relays","description":"\u003cdiv\u003e\n\u003cp\u003eMeet the White Rodgers 1 Pole 2 Throw 24 V Fan Relays — a compact, enclosed relay designed to deliver precise, dependable fan control in HVAC systems. Built for standard 24 V control circuits, this SPDT (single pole, double throw) device simplifies how you switch fans, blowers, or auxiliary fans in furnaces, air handlers, and other HVAC equipment.\u003c\/p\u003e \u003ch3\u003eKey benefits that set this relay apart\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e1 Pole 2 Throw (SPDT) configuration\u003c\/strong\u003e for versatile control. Use the common terminal to feed two separate outputs, enabling two-stage fan control, alternate circuit paths, or quick changeover between loads without adding complexity.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e24 V coil rating\u003c\/strong\u003e tuned for compatibility with standard thermostats, control boards, and low-voltage wiring in most homes and light commercial systems.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eEnclosed design\u003c\/strong\u003e provides a robust, dust-resistant housing that protects wiring and terminals, streamlining installation and maintenance in challenging environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSafety and compliance\u003c\/strong\u003e with \u003cstrong\u003eUL Listed\u003c\/strong\u003e and \u003cstrong\u003eCSA Listed\u003c\/strong\u003e certifications, helping you meet code requirements and giving you peace of mind during inspections.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSolid temperature capability\u003c\/strong\u003e with a maximum temperature rating of 150, ensuring reliable operation across typical HVAC environments and room conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eCompact, dependable construction\u003c\/strong\u003e designed for straightforward mounting inside control panels or near the HVAC equipment it serves, reducing clutter and simplifying wiring.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cp\u003eDesigned for practical, real-world HVAC scenarios, this White Rodgers relay is a perfect fit for:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003eDriving a blower motor in furnaces and air handlers from a 24 V thermostat or control board.\u003c\/li\u003e \u003cli\u003eImplementing two-stage or alternate-load fan configurations where a single relay handles two outputs.\u003c\/li\u003e \u003cli\u003eIsolating control circuitry from higher-power fan circuits, offering safer wiring and easier troubleshooting.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eWhy choose this relay over alternatives\u003c\/h3\u003e\n\u003cp\u003eCompared to open-frame or non-enclosed relays, the White Rodgers 1P2T 24 V Fan Relay provides a safer, tidier solution with a sealed housing that protects connections from dust and accidental contact. Its UL and CSA listings simplify code compliance, while the SPDT wiring offers flexible control options without adding hardware complexity. This combination makes it a reliable upgrade or replacement part for both residential and light commercial HVAC projects.\u003c\/p\u003e \u003ch3\u003ePractical installation tips\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePlan your control wiring so the 24 V coil is driven by a compatible thermostat or control board output. Coil polarity is not a concern for AC coils.\u003c\/li\u003e \u003cli\u003eMount the relay in a dry, accessible area within the control panel to simplify future service and testing.\u003c\/li\u003e \u003cli\u003eEnsure connections are secure and terminals are tightened to prevent loose wiring and future arcing.\u003c\/li\u003e \u003cli\u003eVerify loads on each output to stay within any system limits and prevent overheating, taking into account startup current for the fan motor.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWhether you’re updating an aging HVAC control path, setting up a new air handling setup, or implementing a two-path fan control strategy, the White Rodgers 1 Pole 2 Throw 24 V Fan Relays deliver dependable performance, clean installation, and the confidence of code‑compliant safety certifications.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"White Rodgers","offers":[{"title":"Default Title","offer_id":52190475419922,"sku":"4094249","price":15.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4094249_A.eps_High.jpg?v=1775854667"},{"product_id":"white-rodgers-24-contactor","title":"White Rodgers 24 Contactor","description":"\u003cdiv\u003e\n\u003cp\u003eThe White Rodgers 24 Contactor is a compact, reliable 24-volt control switch designed to power the critical on\/off functions of your HVAC system. Built to handle the high-current demands of compressors, fans, and other essential outdoor components, this unit helps ensure smooth cooling and heating cycles with every thermostat call.\u003c\/p\u003e \u003cp\u003eDesigned for \u003cstrong\u003euniversal mounting\u003c\/strong\u003e, it fits a wide range of equipment configurations, making it an ideal replacement part or upgrade for both new installations and service work. Its boxed packaging protects the component during shipping and storage, so you can count on a clean, ready-to-install unit when the moment arrives.\u003c\/p\u003e \u003cp\u003eKey specifications at a glance:\u003c\/p\u003e\n\u003cul\u003e \u003cli\u003e\n\u003cstrong\u003eCoil voltage\u003c\/strong\u003e: 24 VAC – compatible with standard thermostat wiring and control boards\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMounting\u003c\/strong\u003e: Universal mounting for flexible installation across brands and models\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eApplication\u003c\/strong\u003e: Specifically designed for air conditioning and heating equipment\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003ePackaging\u003c\/strong\u003e: Boxed for safe handling from warehouse to installation\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eMaximum temperature\u003c\/strong\u003e: 150\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBrand\u003c\/strong\u003e: White Rodgers\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003eWhy this 24 Contactor stands out\u003c\/h2\u003e\n\u003cp\u003eIn HVAC setups, a contactor is the workhorse that controls the high-current circuits feeding the compressor and outdoor fan. The White Rodgers 24 Contactor delivers dependable switching behavior, helping minimize nuisance trips and ensuring consistent compressor operation during peak cooling or heating demand. Its universal mounting design reduces installation time, giving technicians the flexibility to reuse the same part across different units and configurations.\u003c\/p\u003e \u003ch2\u003eWho benefits most\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eHomeowners replacing a worn or failed contactor in an existing air conditioning or heating system\u003c\/li\u003e \u003cli\u003eHVAC technicians performing routine service, repairs, or upgrades on residential or light commercial equipment\u003c\/li\u003e \u003cli\u003eContractors seeking a versatile, easy-to-install solution that travels well on service calls\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch2\u003ePractical usage and everyday scenarios\u003c\/h2\u003e\n\u003cp\u003eUse the White Rodgers 24 Contactor when your thermostat calls for cooling or heating and you need a robust switch to handle the compressor and fan motor loads. It’s well-suited for outdoor condenser units connected to 24 VAC control circuits, as well as indoor air handlers and furnaces that require reliable door-jam switching of high-current loads. The universal mounting capability makes it a smart choice when retrofitting older equipment or stocking a service van with a common, adaptable part.\u003c\/p\u003e \u003ch2\u003eInstallation tips and best practices\u003c\/h2\u003e\n\u003cul\u003e \u003cli\u003eEnsure your control circuit provides a 24 VAC signal compatible with the contactor coil.\u003c\/li\u003e \u003cli\u003eDisconnect power before wiring or servicing; verify all connections are clean, tight, and free of corrosion.\u003c\/li\u003e \u003cli\u003eFollow manufacturer guidelines for secure mounting and enclosure protection to prevent exposure to moisture and debris.\u003c\/li\u003e \u003cli\u003eWhen replacing an old contactor, match coil voltage, contact arrangement, and electrical rating to the existing system to avoid compatibility issues.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eWith the White Rodgers 24 Contactor, you gain a dependable, adaptable solution built to support reliable HVAC performance. Its 24 VAC coil and universal mounting make it a practical, long-term choice for technicians and homeowners aiming for smooth, trouble-free climate control.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"White Rodgers","offers":[{"title":"Default Title","offer_id":52190475747602,"sku":"4094033","price":16.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4094033_A.eps_High.jpg?v=1775854667"},{"product_id":"resideo-at87a1106-foot-and-plate-mount-transformer-24-standard-transformer","title":"Resideo AT87A1106 Foot and Plate Mount Transformer 24 Standard Transformer","description":"\u003cdiv\u003e\n\u003cp\u003eIntroducing the Resideo AT87A1106 Foot and Plate Mount Transformer — a compact, rugged 24 VAC standard transformer engineered for HVAC control circuits. Crafted with a durable metal enclosure, it stands up to the demands of busy equipment rooms, while its foot-and-plate mounting design makes installation straightforward and secure.\u003c\/p\u003e \u003ch3\u003eWhy this transformer stands out\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eSolid metal construction for long-term reliability in thermal environments up to 105°C\u003c\/li\u003e \u003cli\u003e24 VAC output tailored for HVAC control circuits, powering thermostats, relays, and control boards\u003c\/li\u003e \u003cli\u003eFoot and plate mounting provides stable attachment to chassis or panels, reducing wiring strain and vibration noise\u003c\/li\u003e \u003cli\u003eUL Listed and CSA Listed, confirming safety and compliance for commercial and residential HVAC installations\u003c\/li\u003e \u003cli\u003eBoxed packaging protects components during shipping and handling, ensuring items arrive ready to install\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eApplications and use cases\u003c\/h3\u003e\n\u003cp\u003eThe AT87A1106 is ideal for air conditioning systems and equipment where a reliable 24 VAC control voltage is required. Use it to power control boards in air handlers, outdoor condensing units, and fan coil units, or to supply low-voltage control circuits in retrofit projects where a sturdy, fixed transformer is needed.\u003c\/p\u003e \u003ch3\u003eTechnical highlights\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eBrand: Resideo\u003c\/li\u003e \u003cli\u003eSub Brand: AT87A1106 Foot and Plate Mount Transformer\u003c\/li\u003e \u003cli\u003eProduct Type: Standard Transformer\u003c\/li\u003e \u003cli\u003eMounting Type: Foot and Plate Mount\u003c\/li\u003e \u003cli\u003eApplication: For air conditioning circuits\u003c\/li\u003e \u003cli\u003eVolts: 24\u003c\/li\u003e \u003cli\u003eMaximum Temperature: 105\u003c\/li\u003e \u003cli\u003ePackaging Type: Boxed\u003c\/li\u003e \u003cli\u003eUL Listed: Yes\u003c\/li\u003e \u003cli\u003eCSA Listed: Yes\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003ePractical setup tips\u003c\/h3\u003e\n\u003cp\u003eEnsure secure mounting to a clean, accessible panel. Verify input power matches your system's supply and follow wiring diagrams for low-voltage connections. Keep transformer clear of heat sources and provide adequate ventilation in tight electrical spaces. With its compact footprint, the Resideo AT87A1106 fits neatly behind control panels without crowding nearby components.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Resideo","offers":[{"title":"Default Title","offer_id":52199913849106,"sku":"4035192","price":89.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0928\/1024\/8466\/files\/4035192_A.eps_High.jpg?v=1776292749"}],"url":"https:\/\/nationalhardwaregroup.com\/collections\/transformer-relays.oembed","provider":"National Hardware Group","version":"1.0","type":"link"}