{"product_id":"allansontransformers421-557","title":"Allanson Transformers 421-557 Primary Voltage 120 V, Secondary Voltage 10000 V @ 250 V Ferromagnetic Ignition Transformer","description":"\u003cp\u003eThe Allanson Transformers 421-557 is a double-pole, ferromagnetic ignition transformer designed for constant-duty oil burner applications, specifically for Arco\/American Standard burners. This transformer provides a reliable ignition source for commercial, residential, and industrial heating systems.\u003c\/p\u003e \n\n\u003cp\u003eFeatures:\u003c\/p\u003e\n\n\u003cp\u003eDesigned with high temperature wire\u003cbr\u003e\nRuns cooler, quieter and safer on all types of burners.\u003cbr\u003e\nDesigned to burner manufacturer's specifications\u003cbr\u003e\nMeets American and European noise emission standards offering superior EMI and RFI protection.\u003cbr\u003e\nSingle porcelain designs\u003cbr\u003e\nDependable Power\u003c\/p\u003e\n\n\u003cp\u003eSpecifications:\u003c\/p\u003e\n\n\u003cp\u003eManufacturer: Allanson Transformers\u003cbr\u003e\nManufacturer Part Number: 421-557\t\u003cbr\u003e\nProduct Type: Ferromagnetic Ignition Transformer\u003cbr\u003e\nPrimary Voltage: 120 V \u003cbr\u003e\nSecondary Voltage: 10000 V @ 250 V\t\u003cbr\u003e\nFrequency Rating: 60 Hz\u003cbr\u003e\nCurrent Rating: 23 mA \u003cbr\u003e\nPoles: Double\u003cbr\u003e\nGround: Mid Point Ground\u003cbr\u003e\nHv Terminal: Buss Bar Clips\u003cbr\u003e\nApplication: Oil burner ignition, specifically for Arco\/American Standard burners\u003cbr\u003e\nWeight: 10.6 lb.\u003c\/p\u003e","brand":"Allanson Transformers","offers":[{"title":"Default Title","offer_id":50001267884354,"sku":"421-557","price":157.76,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0811\/6663\/1234\/files\/23_48925d3a-a42f-465d-9262-f9738b0cf35d.png?v=1760877930","url":"https:\/\/snookhvac.com\/products\/allansontransformers421-557","provider":"Snook \u0026 Aderton HVAC Supply","version":"1.0","type":"link"}