{"product_id":"tankless-water-heater-electric-13-8kw-240v-compact-endless-hot-water","title":"Tankless Water Heater Electric 13.8kW 240V - Compact Endless Hot Water","description":"\u003cp\u003eIn this review the WINTEMP tankless electric water heater is assessed as a compact, high-output unit best suited for single showers or small households. The most compelling reason to consider it is the combination of a true on-demand supply and self-regulating power that aims to reduce electricity use while delivering stable hot water; the digital display and ETL certification add confidence for a permanent installation. Buyers must verify electrical requirements before purchase to ensure compatibility with their panel and wiring.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e13.8 kW 240V rating:\u003c\/strong\u003e Provides fast heating that can deliver up to 3.1 gallons per minute, enough for one to two usage points like a bathroom shower.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSelf-regulating temperature control:\u003c\/strong\u003e Automatically adjusts power based on incoming water temperature and flow to keep output steady and maximize efficiency.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital LED display:\u003c\/strong\u003e Shows set temperature from 86F to 140F so users can quickly confirm and adjust output at a glance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSpace saving wall-mount design:\u003c\/strong\u003e Small footprint at 9.7in x 14in x 3.4in, occupying roughly 90% less space than a typical storage tank heater.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSafety protections and certification:\u003c\/strong\u003e Includes leakage, overheat, and dry-fire protection and is ETL certified for safer everyday use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy saving operation:\u003c\/strong\u003e When water is not flowing the unit uses no energy and the self-regulating system can reduce electricity use compared with tank heaters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe WINTEMP WN13 is ideal for homeowners needing a compact solution for a bathroom shower, small apartment, garage sink, or shop where a dedicated 240V supply can be installed. It suits people who want instant hot water and lower standby energy loss compared with tank systems.\u003c\/p\u003e\n\u003cp\u003eIt is not for larger families or whole-home replacement unless multiple units or a higher-capacity model are used, and installers should be cautious if their panel cannot support a 60 Amp double-pole breaker and 6 AWG wiring as required.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eCompact wall-mounted size saves space and fits tight installations.\u003c\/li\u003e\n\u003cli\u003eSelf-regulating technology and digital display provide consistent temperatures and clear control.\u003c\/li\u003e\n\u003cli\u003eETL certified with multiple safety protections for peace of mind.\u003c\/li\u003e\n\u003cli\u003eEnergy efficient with near-zero standby consumption when idle.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eRequires a substantial electrical circuit (1 x 60 Amp DP breaker and 6# AWG wiring), which may need panel upgrades.\u003c\/li\u003e\n\u003cli\u003eMaximum flow around 3.1 gpm limits simultaneous use to one or two fixtures.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Rating\u003c\/td\u003e\n\u003ctd\u003e13.8 kW (240V)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum Amperage\u003c\/td\u003e\n\u003ctd\u003e58 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRecommended Breaker\u003c\/td\u003e\n\u003ctd\u003e1 x 60 Amp double-pole\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eRequired Wiring\u003c\/td\u003e\n\u003ctd\u003e6# AWG with ground\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDimensions\u003c\/td\u003e\n\u003ctd\u003e9.7in x 14in x 3.4in\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater Connection\u003c\/td\u003e\n\u003ctd\u003e1\/2 in NPT\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Flow\u003c\/td\u003e\n\u003ctd\u003e3.1 gallons per minute\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe WINTEMP 13.8 kW tankless electric heater is a strong value for a single shower or small point-of-use application where wall space is limited and a 240V circuit is available. Its self-regulating control, digital temperature readout, and ETL safety features make it a practical energy-saving alternative to a storage tank, though buyers should confirm electrical capacity and expect modest flow limits for simultaneous fixtures.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWhat electrical supply is required?\u003c\/strong\u003e\u003cbr\u003eThe unit requires a 240V supply with a recommended 200A household service, 1 x 60 Amp double-pole breaker and 6# AWG wiring with ground.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much hot water can it deliver?\u003c\/strong\u003e\u003cbr\u003eMaximum output is about 3.1 gallons per minute, suitable for one to two usage points but likely insufficient for multiple showers at once.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIs it safe to use?\u003c\/strong\u003e\u003cbr\u003eYes, the heater has leakage, overheat, and dry-fire protections and is ETL certified; follow installation guidelines and local electrical codes.\u003c\/p\u003e","brand":"WINTEMP","offers":[{"title":"Default Title","offer_id":48204103221467,"sku":"B0DGGH987T","price":199.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/511UvVwGZhL._AC_SL1500.jpg?v=1770223651","url":"https:\/\/gearmusthave.com\/products\/tankless-water-heater-electric-13-8kw-240v-compact-endless-hot-water","provider":"GearMustHave","version":"1.0","type":"link"}