{"product_id":"20606","title":"HVAC Transformer 75VA 120\/208\/240\/480V to 24V – Mars 50321 – NBK-20606","description":"\u003ch2\u003eTransformer 75VA 120\/208\/240\/480V to 24V – NBK-20606\u003c\/h2\u003e\n\u003cp\u003eThe \u003cstrong\u003eNBK-20606 Transformer\u003c\/strong\u003e is a dependable HVAC control transformer designed to step down high-voltage power to a safe \u003cstrong\u003e24V output\u003c\/strong\u003e for use in low-voltage heating and cooling applications.\u003c\/p\u003e\n\u003cp\u003eWith multi-tap primary inputs including \u003cstrong\u003e120V, 208V, 240V, and 480V\u003c\/strong\u003e, this transformer offers flexible compatibility across a wide range of HVAC systems, making it an ideal replacement for OEM Mars and Packard models.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e75VA Rating:\u003c\/strong\u003e Provides stable power for HVAC control circuits\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMulti-Voltage Input:\u003c\/strong\u003e Supports 120\/208\/240\/480V primary connections\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e24V Secondary Output:\u003c\/strong\u003e Standard low-voltage power for thermostats and relays\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Replacement Fit:\u003c\/strong\u003e Compatible with Mars 50321 and Packard equivalents\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSKU:\u003c\/strong\u003e 20606\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCategory:\u003c\/strong\u003e HVAC, Miscellaneous\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM Brand:\u003c\/strong\u003e Mars\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eReplaces OEM:\u003c\/strong\u003e 50321\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePower Rating:\u003c\/strong\u003e 75 VA\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePrimary Voltage:\u003c\/strong\u003e 120\/208\/240\/480V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSecondary Voltage:\u003c\/strong\u003e 24V\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eDirect Replacement For\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMars:\u003c\/strong\u003e 50321\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePackard:\u003c\/strong\u003e PF52475\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eWhy Choose the NBK-20606 Transformer?\u003c\/h3\u003e\n\u003cp\u003eThe \u003cstrong\u003eNBK-20606\u003c\/strong\u003e is a reliable solution for replacing worn or failed HVAC transformers. Designed for consistent low-voltage performance, it helps ensure proper operation of control boards, thermostats, contactors, and other essential HVAC components.\u003c\/p\u003e\n\u003ch3\u003eInstallation Tips\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAlways disconnect power before servicing HVAC electrical components.\u003c\/li\u003e\n\u003cli\u003eVerify the correct primary voltage tap before wiring.\u003c\/li\u003e\n\u003cli\u003eConfirm secure terminal connections to prevent voltage drop.\u003c\/li\u003e\n\u003cli\u003eInstallation should be completed by a qualified HVAC technician.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003ePairs Well With\u003c\/h3\u003e\n\u003cp\u003eThermostats, Control Boards, Contactor Relays, HVAC Fuse Kits, Low-Voltage Wiring Accessories\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eSPECIAL ORDER NOTICE:\u003c\/strong\u003e This item is sourced through our special order program. Please allow 1–2 business days for processing prior to shipment.\u003c\/p\u003e","brand":"Mars","offers":[{"title":"Default Title","offer_id":52401228480880,"sku":"SO-20606","price":56.46,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0595\/4463\/3444\/files\/20606-50321-1080x743.webp?v=1770855919","url":"https:\/\/total-hearth.com\/products\/20606","provider":"Total Hearth","version":"1.0","type":"link"}