{"product_id":"craftsman-18kw-electric-tankless-water-heater-instant-hot-water-for-1-1-5-bathrooms","title":"CRAFTSMAN 18kW 240V 3.7 GPM Tankless Water Heater - Compact Efficiency","description":"\u003cp\u003eOur review of the CRAFTSMAN 18kW 240-Volt 3.7 GPM Electric Tankless Water Heater finds it best suited for small households that need dependable on-demand hot water without gas hookups. The biggest reason to buy is its simple, space-saving design combined with precise digital temperature control, which delivers continuous hot water and can reduce energy use compared with a conventional tank. Installation requires a 240-Volt circuit and appropriate breakers and wiring, but once in place the unit reliably supplies warm to hot climates with enough flow for one to two bathrooms.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOn-demand heating:\u003c\/strong\u003e Provides continuous hot water only when you need it, which can reduce standby energy loss compared with a storage tank.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDigital control panel:\u003c\/strong\u003e Lets you set the temperature in 1 degree F increments from 90 to 122 degrees for precise comfort and consistent delivery.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompact 18kW power:\u003c\/strong\u003e Delivers up to 3.7 GPM at a 35 F rise, suitable for point-of-use or small whole-home installs in warm climates.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless internal components:\u003c\/strong\u003e Durable, non-corrosive, lead-free canisters and piping reduce maintenance and improve longevity.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eElectric operation:\u003c\/strong\u003e No gas line or ventilation required, so it fits installations where gas is not available or desired.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThe CRAFTSMAN 18kW model is ideal for owners of small homes, condos, or apartments in warm to moderate climates who need a compact unit to serve one to two bathrooms or a single bathroom in cooler areas. It works well as a primary heater for a modest household or as a high-performance point-of-use unit for kitchens and baths.\u003c\/p\u003e\n\u003cp\u003eIt is not the right choice for larger homes with simultaneous heavy hot water demand or for users who cannot provide the required 240-Volt service with two 40 Amp double-pole breakers and two 8\/2 AWG wires. Plumbers and electricians should evaluate home electrical capacity before purchase.\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 footprint and electric design eliminate the need for venting or gas lines.\u003c\/li\u003e\n\u003cli\u003ePrecise \u003cstrong\u003edigital temperature control\u003c\/strong\u003e allows degree-by-degree adjustment for comfort.\u003c\/li\u003e\n\u003cli\u003eDurable stainless and lead-free internal canisters promise long-term reliability.\u003c\/li\u003e\n\u003cli\u003eOn-demand heating can lower energy use compared with tank heaters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eMaximum flow is limited by 18kW output; performance drops in cold inlet conditions and may not support large simultaneous loads.\u003c\/li\u003e\n\u003cli\u003eRequires a dedicated 240-Volt circuit with two 40 Amp breakers and 8\/2 AWG wiring, which can add installation cost.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eModel Power\u003c\/td\u003e\n\u003ctd\u003e18kW\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVoltage\u003c\/td\u003e\n\u003ctd\u003e240 Volt\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMax Flow Rate\u003c\/td\u003e\n\u003ctd\u003e3.7 GPM (35 F rise)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow at 45 F Rise\u003c\/td\u003e\n\u003ctd\u003e2.85 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFlow at 55 F Rise\u003c\/td\u003e\n\u003ctd\u003e2.4 GPM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTemperature Range\u003c\/td\u003e\n\u003ctd\u003e90 to 122 degrees F (1 degree increments)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePlumbing Connections\u003c\/td\u003e\n\u003ctd\u003eStandard 1\/2 in. NPT fittings\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe CRAFTSMAN 18kW electric tankless heater is a practical, space-saving choice for small homes or as a point-of-use solution where gas is not an option. It delivers consistent hot water with precise controls and durable components, offering good value for modest hot water demands if the home can accommodate the electrical requirements.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eHow many bathrooms can this unit serve?\u003c\/strong\u003e\u003cbr\u003eIn warm to hot climates it can serve up to 1-2 bathrooms; in cool to cold climates it is best for a single bathroom due to reduced GPM at higher temperature rises.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat electrical service is needed?\u003c\/strong\u003e\u003cbr\u003eIt requires a 240-Volt service with two 40 Amp double-pole breakers and two 8\/2 AWG wires; professional electrical installation is recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it need venting or gas lines?\u003c\/strong\u003e\u003cbr\u003eNo, it is fully electric so no gas line or ventilation is required.\u003c\/p\u003e","brand":"Craftsman","offers":[{"title":"Default Title","offer_id":46784181010651,"sku":"B08WG2VSWW","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/71-pd4vzQmL._AC_SL1500.jpg?v=1747588058","url":"https:\/\/gearmusthave.com\/products\/craftsman-18kw-electric-tankless-water-heater-instant-hot-water-for-1-1-5-bathrooms","provider":"GearMustHave","version":"1.0","type":"link"}