ATMOR AT-35WH-HD 3500-Watt/120V 0.5 GPM Point-of-Use Electric Tankless Water Heater Includes Pressure Relief Device 1-Sink Water HeaterEnsure you have hot water when you need it by installing this 3500-Watt/120V 0.5 GPM Point-of-Use Electric Tankless Water Heater Includes Pressure Relief Device One-Sink Water Heater. It can save you money on your energy bill. It is designed to save up to 50% on heating costs. This is a durable option for your home with its commercial-grade, heavy-duty, heat-resistant polymer with fiberglass.Ideal for a single sink application in areas with at least 57 degrees F ground water temperatureRequires 30 Amp single pole dedicated breaker and 120V connectionStandard 1/2 in. NPT (straight thread) water connectionsOn-demand water heating saves up to 50% on water heating costsProfessional installation recommendedUL certified and lead freeCommercial-grade, heavy-duty heat-resistant polymer composition reinforced with a fiber glass compound canister constructionReference temperature rise/flow rate chart to confirm if this is the right tankless water heater for your projectSeven-year leakage-free and two-year parts only warrantiesIncludes pressure relief device (PRD) with built-in one-way valve for added value and safetyUse buying guide to choose the right tankless water heater for your projectAtmor is a reliable, global leader in tankless electric water heating, with over 50 years of experience and currently sold in over 50 markets worldwideBefore purchasing, please confirm you have the required electrical requirements available on your breaker panelIdeal for commercial or residential useInner workings (i.e. canister) of this Atmore unit is primarily constructed with a commercial-grade, heavy-duty, heat-resistant polymer composition reinforced with a fiber glass compound to complement its durability, stiffness, finish and strength; such thermoplastic materials are increasingly used across the automotive, consumer industrial, medical and energy markets to enhance product performance and increase consumer safetyNote: unit must be professionally installed into electrical supply, reference our guide to confirm if this is the right tankless water heater for your area/needsDimensionsKilowatt3.5Product Depth (in.)4.13 inProduct Height (in.)7.13 inProduct Width (in.)11.96 inWater Connection Size (in.)1/2 inDetailsElectricity PhaseSingle PhaseFinish FamilyWhiteFlow Rate @ 35F Rise (gallons/min)0.68 gal (US)/minFlow Rate @ 45 Rise (gallons/min)0.53 gal (US)/minFlow Rate @ 55 Rise (gallons/min)0.43 gal (US)/minFlow Rate @ 65 Rise (gallons/min)0.33 gal (US)/minHeat Exchanger Warranty2 YearIndoor/OutdoorIndoor, OutdoorMaximum Flow Rate (gallons per minute)0.68Maximum Temperature (F)130 FMinimum Activation Rate (gpm)0.5Minimum Temperature (F)57 FNumber of Showers1-2Pack Size1Product Weight (lb.)4.41 lbRequired Volt Connection120 voltUniform Energy Factor0Water Connection LocationBottomWater Heater TypeElectricWattage (watts)3500 WWarranty / CertificationsCertifications and ListingsUL ListedLabor WarrantyNo WarrantyPart Warranty2 YearFrom the ManufacturerInstructions / AssemblyWarrantyInstallation GuideUse and Care Manual