As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100336478 A.O. Smith . 100336478 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI Z21.22 Attribute01Residential Attribute02, Attribute08, Attribute12, Attribute18, Attribute21No Attribute0350 gal Attribute04ProLine® Attribute0520-1/2 in Attribute06Bottom Attribute07Brass Attribute09, Attribute10, Attribute11Male Attribute1362 Attribute14, Attribute15, Attribute16, Attribute323/4 in Attribute1721 gph Attribute1959 in Attribute20150 Attribute22Indoor Attribute23Blue Diamond® Glass Attribute24Incoloy, Stainless Steel Attribute25Polymer Attribute26300 psi Attribute27Water Attribute282 Attribute29Three Phase Attribute30Electric Attribute31Water Heater Attribute33UL 174 Attribute340.92 Attribute35, Voltage240V Attribute36Top Attribute3741 - 50 gal Attribute38Tall Attribute399 AttributeKey00ANSI Specifications AttributeKey01Application AttributeKey02CARB OTC LEED Compliant AttributeKey03Capacity AttributeKey04Collection AttributeKey05, length_Attrib, width_AttribDiameter AttributeKey06Drain Location AttributeKey07Drain Valve Material AttributeKey08ETL Listed AttributeKey09End Connection 1 AttributeKey10End Connection 2 AttributeKey11End Connections AttributeKey12Energy Star Compliant AttributeKey13First Hour Rating AttributeKey14Fitting Size 1 AttributeKey15Fitting Size 2 AttributeKey16Fitting Sizes AttributeKey17Flow Rate AttributeKey18GSA Approved AttributeKey19, height_AttribHeight AttributeKey20High Pressure AttributeKey21IAPMO Listed AttributeKey22Indoor Outdoor AttributeKey23Lining of Tank AttributeKey24Material AttributeKey25Material Type AttributeKey26Maximum Pressure AttributeKey27Media AttributeKey28Number Of Elements AttributeKey29Phase AttributeKey30Power Source AttributeKey31Product Type AttributeKey32Return Pipe Connection AttributeKey33UL Listed AttributeKey34Uniform Energy Factor UEF AttributeKey35Volts AttributeKey36Water Connections AttributeKey37Water Heater Capacity Range AttributeKey38Water Heater Type AttributeKey39Watts DimensionUnitinch diameter, length, width20.5 height59.0 moq, multiple1 MPN100336478 qtyInStockCall for Availability SKU7166090 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com71660901Call for Availability1