{"product_id":"622762r","title":"621709R Nordyne 240 VAC primary 24vac sec 40VA Transformer","description":"\u003cp\u003e\u003c!--StartFragment --\u003e\u003cstrong\u003e\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch1\u003e\n\u003cstrong\u003e621709R\u003c\/strong\u003e Nordyne 240 VAC primary 24vac sec 40VA Transformer\u003c\/h1\u003e\n\u003ch2\u003eProduct Overview\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe Nordyne 621709R control transformer provides stable low-voltage power for residential HVAC systems. As a direct-fit OEM replacement, it delivers consistent 24 VAC output to safety controls, thermostats, and relays, ensuring reliable operation and system protection.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cspan\u003eKey features:\u003c\/span\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e240 VAC primary input for standard residential power\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003e24 VAC secondary output rated at 40 VA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCompact design with dual mounting tabs for quick installation\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eHigh-grade laminations minimize heat, noise, and energy loss\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eDetail\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003ePrimary voltage\u003c\/td\u003e\n\u003ctd\u003e240 VAC ± 10 % @ 60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary voltage\u003c\/td\u003e\n\u003ctd\u003e24 VAC ± 5 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePower rating\u003c\/td\u003e\n\u003ctd\u003e40 VA nominal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFrequency\u003c\/td\u003e\n\u003ctd\u003e60 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTerminals\u003c\/td\u003e\n\u003ctd\u003eScrew-type barrier strip\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInsulation class\u003c\/td\u003e\n\u003ctd\u003eClass B (130 °C)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMounting\u003c\/td\u003e\n\u003ctd\u003eDual stamped mounting tabs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions (L×W×H)\u003c\/td\u003e\n\u003ctd\u003e3.4 × 2.2 × 2.0 in (86 × 56 × 51 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWeight\u003c\/td\u003e\n\u003ctd\u003e1.2 lb (0.54 kg)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eCross-Reference Part Numbers\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNordyne 621709R\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eColeman 621709R\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNeuco T-24002 (40 VA)\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eOEM equivalent for Bosch-era control panels\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eCompatibility\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eNordyne\/Coleman residential furnaces and air handlers\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eBryant 310A\/320A and Payne 355A series control boards\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCarrier\/Bryant 24 VAC systems requiring a 40 VA transformer\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAmerican Standard N5 and P6 heat pump series\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAny HVAC control panel designed for 24 VAC @ 40 VA\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003ch2\u003eTechnician Notes\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eAlways disconnect all power before servicing the transformer.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eVerify secondary voltage under load with a true-RMS meter to ensure proper output.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eMount firmly on a clean, vibration-free surface using the provided tabs.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eStrip wires cleanly and torque terminal screws to manufacturer’s spec to prevent arcing.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eKeep clearances around the transformer for ventilation and heat dissipation.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e\u003cspan\u003eCarry a spare 621709R on service calls to minimize customer downtime.\u003c\/span\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEnsure stable low-voltage control with the \u003cstrong\u003eNordyne 621709R Transformer\u003c\/strong\u003e, a genuine OEM component designed for seamless integration into Nordyne, Intertherm, and other Nortek HVAC systems. This \u003cstrong\u003e240V primary to 24V secondary transformer\u003c\/strong\u003e delivers \u003cstrong\u003e40VA\u003c\/strong\u003e of reliable power across \u003cstrong\u003e50\/60Hz\u003c\/strong\u003e, making it ideal for furnace and air handler control circuits.\u003c\/p\u003e\n\u003cp\u003e🔧\u003c\/p\u003e\n\u003cp\u003e📦 \u003cstrong\u003eApplications:\u003c\/strong\u003e \u003cspan style=\"background-color: rgb(255, 255, 0);\"\u003eUsed in electric furnaces, air handlers, and packaged units requiring consistent low-voltage output for thermostats, relays, and control boards.\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e💡 \u003cstrong\u003eWhy OEM Matters:\u003c\/strong\u003e Genuine Nordyne parts like the 622762R ensure compatibility, safety, and long-term durability—no guesswork, no rewiring.\u003c\/p\u003e\n\u003cp\u003e\u003c!--EndFragment --\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003eReplaces 621709R, 622762R \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"Quinn","offers":[{"title":"Default Title","offer_id":40298046390338,"sku":"621709R","price":38.04,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1071\/8320\/files\/th_10_1d38dd96-8463-4505-8534-5151ac870b6d.jpg?v=1739508130","url":"https:\/\/hvacpartstore.com\/products\/622762r","provider":"HVACpartstore","version":"1.0","type":"link"}