{"product_id":"white-rodgers-50a51-495-american-standard-furnace-control-circuit-board-for-gas-furnaces","title":"White-Rodgers 50A51-495 American Standard Furnace Control Circuit Board for Gas Furnaces","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp\u003eThe White-Rodgers 50A51-495 is an ignition control circuit board used in central gas furnaces and compatible HVAC systems. It provides precise and reliable ignition management to ensure safe and efficient operation in heating appliances.\u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003cp class=\"\" data-end=\"574\" data-start=\"284\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable style=\"height: 512.083px; width: 100%;\" width=\"100%\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 32.75px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 31.0909%; text-align: left; height: 32.75px;\"\u003eCondition\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 68.5455%; height: 32.75px;\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 31.3056px;\"\u003e\n\u003cth class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\" style=\"width: 31.0909%; text-align: left; height: 31.3056px;\"\u003eBrand\u003c\/th\u003e\n\u003ctd class=\"text-left text-body1 py-10 desktop:w-[60%]\" style=\"width: 68.5455%; height: 31.3056px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eWhite Rodgers\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 28.4444px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 28.4444px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 28.4444px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003ePLCs\/Machine Control\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 31.25px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 31.25px;\"\u003ePart Number\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 31.25px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e50A51-495\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5972px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5972px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003ePC Board PLC\/Add-On Board\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 31.6806px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 31.6806px;\"\u003eDimensions (W x L x H)\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 31.6806px;\"\u003e10 x 6 x ~1 in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 23.875px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 23.875px;\"\u003eType\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 23.875px;\"\u003e Ignition Control Board\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 28.1806px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 28.1806px;\"\u003eVoltage\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 28.1806px;\"\u003e110 V AC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 33.5px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 33.5px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eAmperage\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 33.5px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 28.5556px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 28.5556px;\"\u003ePower Phase\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 28.5556px;\"\u003eSingle Phase\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 32.1806px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 32.1806px;\"\u003eMaterial\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 32.1806px;\"\u003ePlastic\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 28.1806px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 28.1806px;\"\u003eCompatible Systems\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 28.1806px;\"\u003eFurnace, AC Split, Heat Pump Split, Dual Fuel System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 25.1806px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 25.1806px;\"\u003eCompatible Brand\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 25.1806px;\"\u003eArmstrong\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5972px;\"\u003eApplication\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5972px;\"\u003eCentral Heating \/ HVAC Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.1944px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 39.1944px;\"\u003eMounting\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 39.1944px;\"\u003eBoard-mounted (internal HVAC units)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.5972px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.5972px;\"\u003eDiscontinued\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.5972px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.8194px;\"\u003e\n\u003cth style=\"width: 31.0909%; text-align: left; height: 19.8194px;\"\u003eWeight\u003c\/th\u003e\n\u003ctd style=\"width: 68.5455%; height: 19.8194px;\"\u003e\u003cspan\u003e1.40 lbs (approx. 0.64 kg)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About \u003cspan data-sheets-root=\"1\"\u003e50A51-495\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003eThe 50A51-495 is a discontinued ignition control board manufactured by White-Rodgers, part of their established line of electronic furnace control solutions. Designed primarily for use in central furnaces and compatible with Armstrong units, this board supports ignition sequencing and safety lockout features required in modern HVAC systems. It is suitable for both air conditioning and heat pump split systems and operates at 110V with a 1-phase configuration. With its wide compatibility and durable plastic construction, the board remains a reliable replacement for residential and light commercial applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRobust Ignition Control: Ensures consistent ignition sequencing for gas furnace operation.\u003c\/li\u003e\n\u003cli\u003eBroad Compatibility: Works with Armstrong and other central furnace, AC, and heat pump systems.\u003c\/li\u003e\n\u003cli\u003ePower Rating: Operates at 110V AC and supports a 50A current load under standard conditions.\u003c\/li\u003e\n\u003cli\u003eOpen-Box Condition: Typically offered as new old stock with unmarked connectors and original packaging.\u003c\/li\u003e\n\u003cli\u003eCompact Construction: Features a plastic body with manageable dimensions for quick installation.\u003c\/li\u003e\n\u003cli\u003eMulti-System Support: Designed for use with central furnaces, dual fuel systems, and air conditioners.\u003c\/li\u003e\n\u003cli\u003eSingle-Phase Design: Built for 1-phase HVAC applications common in residential environments.\u003c\/li\u003e\n\u003cli\u003eAlternate Model Numbers: Also labeled as D330937P01 and CNT2184 for cross-reference compatibility.\u003c\/li\u003e\n\u003cli\u003eNo Programming Required: Plug-and-play design minimizes installation complexity.\u003c\/li\u003e\n\u003cli\u003eDurability Certified: Offers dependable performance in both retrofit and new installations.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe 50A51-495 delivers dependable ignition control and broad system compatibility for efficient furnace performance.\u003c\/p\u003e","brand":"White Rodgers","offers":[{"title":"Default Title","offer_id":50405735825706,"sku":"50A51-495","price":857.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/50A51-495.png?v=1784218337","url":"https:\/\/iqelectro.com\/products\/white-rodgers-50a51-495-american-standard-furnace-control-circuit-board-for-gas-furnaces","provider":"IQElectro","version":"1.0","type":"link"}