{"product_id":"optimal-12-plus-optimal-12kw-electric-tankless-water-heater-copy","title":"opti15 | 15kW 240V 3.0GPM 25-Year Warranty Electric Tankless Water Heater","description":"\u003ch2 class=\"single_product__title mt-3 mb-0 h4\" itemprop=\"name\"\u003eopti15 | 15kW 240V 3.0GPM 25-Year Warranty Electric Tankless Water Heater\u003c\/h2\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cul class=\"bullets\"\u003e\n\u003cli\u003e\n\u003cp class=\"show-more\"\u003eLifetime guarantee - 25 Year Limited Warranty, best warranty in the category\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003eProduct Description\u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003e\u003cspan\u003eThe opti15 electric tankless water heater can replace a tank heater for the whole home, act as a point of use, or supplement a hybrid as a booster to extend hot water availability. Refer to the sizing map in the images to learn more about the model that is best for you.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eWith its powerful 14.5kW heating system and one-of-a-kind ultrasonic design, this water heater is engineered for energy efficiency and space savings.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eExpert, in-house, customer support stands behind the industry leading 25-year warranty for reliability you deserve in a product meant to last.\u003c\/span\u003e\u003cbr\u003e\u003cbr\u003e\u003cspan\u003eSet it and forget it to the exact temperature you desire for endless hot water with an accuracy of 1°.\u003c\/span\u003e\u003c\/p\u003e\n\u003ch2\u003e\u003cb\u003eSpecifications \u003c\/b\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli aria-level=\"1\" style=\"font-weight: 400;\"\u003e\n\u003cp\u003e\u003cstrong\u003etechnical specs:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eelectrical\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e14.5 kW (15 kW rated)\u003c\/li\u003e\n\u003cli\u003e240V rated voltage\u003c\/li\u003e\n\u003cli\u003e60A max amp draw\u003c\/li\u003e\n\u003cli\u003e1 x 60 AMP DP breaker required\u003c\/li\u003e\n\u003cli\u003e2 x 6 AWG wire\u003c\/li\u003e\n\u003cli\u003e50\/60 Hertz\u003c\/li\u003e\n\u003cli\u003e99% energy efficiency\u003c\/li\u003e\n\u003cli\u003e2 copper-sheathed heating elements\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eplumbing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e3\/4\" NPT inlet\/outlet connections\u003c\/li\u003e\n\u003cli\u003e0.25 GPM activation flow rate\u003c\/li\u003e\n\u003cli\u003e25-150 PSI dynamic operating pressure\u003c\/li\u003e\n\u003cli\u003e5 GPM max allowable flow\u003c\/li\u003e\n\u003cli\u003eWelded copper heat exchanger\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003etechnical\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDigital temperature control\u003c\/li\u003e\n\u003cli\u003eTemperature range: 80°F - 140°F\u003c\/li\u003e\n\u003cli\u003e±1°F temperature accuracy\u003c\/li\u003e\n\u003cli\u003eLED display\u003c\/li\u003e\n\u003cli\u003ePatented ultrasonic flow sensor\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ephysical\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eDimensions: 12.5\"H x 11.5\"W x 3.5\"D\u003c\/li\u003e\n\u003cli\u003eWeight: 7.5 lbs\u003c\/li\u003e\n\u003cli\u003eIndoor use \/ Wall mounted\u003c\/li\u003e\n\u003cli\u003e3\/4\" punchout diameter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ecertifications + warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eETL Listed \/ Intertek certified\u003c\/li\u003e\n\u003cli\u003eConforms to UL 499 \/ CSA C22.2#64\u003c\/li\u003e\n\u003cli\u003eANSI\/CAN 372:2022 compliant (lead-free)\u003c\/li\u003e\n\u003cli\u003e25-year residential warranty (see warranty page for details)\u003c\/li\u003e\n\u003cli\u003e5-year commercial warranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\u003cb\u003einstall + care + warranty \u003c\/b\u003e\u003c\/h2\u003e\n\u003cp\u003eThe opti15 includes a \u003cstrong\u003e25-year residential warranty\u003c\/strong\u003e and \u003cstrong\u003e5-year commercial warranty\u003c\/strong\u003e covering all components - heating elements, sensors, heat exchanger, and electronics.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eInstallation Resources:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0825\/8807\/4287\/files\/Opti_15_Installation_Manual.pdf?v=1762365031\" target=\"_blank\"\u003e\u003cstrong\u003eOpti 15 Manual\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca title=\"How to install a tankless water heater\" href=\"https:\/\/youtu.be\/JO9xvsnsW58?si=Kcz4_eCD28_-GOfg\" target=\"_blank\"\u003e\u003cstrong\u003eInstallation Video\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0825\/8807\/4287\/files\/mounting_instructions_-_online.pdf?v=1702316829\" target=\"_blank\"\u003e\u003cstrong\u003eMounting Instructions\u003c\/strong\u003e\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\n\u003ca href=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0825\/8807\/4287\/files\/Optimal_-_warranty.pdf?v=1702316829\" target=\"_blank\"\u003e\u003cstrong\u003eLink to warranty\u003c\/strong\u003e\u003c\/a\u003e\u003cem\u003e\u003cbr\u003e\u003c\/em\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional installation recommended.\u003c\/strong\u003e Requires 240V electrical service, 60A breaker, and basic plumbing connections. All electrical work must comply with local codes.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eNeed help?\u003c\/strong\u003e Contact our U.S.-based technical support team for installation guidance and troubleshooting.\u003c\/p\u003e","brand":"Smart Parts Solutions","offers":[{"title":"Default Title","offer_id":52864902791392,"sku":null,"price":519.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0060\/7453\/1909\/files\/Front.jpg?v=1709923146","url":"https:\/\/www.smartparts.us\/products\/optimal-12-plus-optimal-12kw-electric-tankless-water-heater-copy","provider":"Smart Parts Solutions","version":"1.0","type":"link"}