As an Amazon Associate, we earn from qualifying purchases. Home » A.O. Smith » 100228452 A.O. Smith . 100228452 A.O. Smith . 100228452 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith DimensionUnitinch Voltage, Volts240V diameter, length, width20.5 height49.75 height_AttribHeight length_Attrib, width_AttribDiameter moq, multiple1 MPN100228452 qtyInStockcall for availability SKU7165736 ANSI SpecificationsANSI Z21.22 Application[Plumbing, Residential] CARB OTC LEED Compliant, ETL Listed, Energy Star Compliant, GSA Approved, IAPMO ListedNo CSA CertifiedYes Capacity40 gal CollectionProLineĀ® Color FinishGrey Color Finish CategoryGreys Diameter20-1/2 in Drain LocationBottom Drain Valve MaterialBrass End Connection 1, End Connection 2, End ConnectionsMale First Hour Rating55 Flow Rate21 gph Height49-3/4 in High Pressure150 Lining of TankBlue DiamondĀ® Glass Material[Incoloy, Plastic, Stainless Steel] Material TypePolymer Maximum Pressure300 psi MediaWater Number Of Elements2 PhaseSingle Phase Power SourceElectric Supply Pipe Connection3/4 in TypeAENS40202502S45 UL ListedUL 174 Uniform Energy Factor UEF0.92 Water ConnectionsTop Water Heater Capacity Range30 - 40 gal Water Heater TypeShort Watts3.5 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com71657361call for availability1