As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100318021 A.O. Smith . 100318021 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00Residential Attribute01, Attribute07, Attribute11, Attribute14, Attribute17No Attribute0230 gal Attribute03ProLine® Attribute0422 in Attribute05Bottom Attribute06Brass Attribute08, Attribute09, Attribute10Male Attribute1247 Attribute1321 gph Attribute1539-3/4 in Attribute16150 Attribute18Blue Diamond® Glass Attribute19Aluminum, Incoloy, Stainless Steel Attribute20Polymer Attribute21300 psi Attribute22Water Attribute232 Attribute24Three Phase Attribute25Electric Attribute263/4 in Attribute27UL 174 Attribute280.89 Attribute29, Voltage208V Attribute30Top Attribute3130 - 40 gal Attribute32Short Attribute336 AttributeKey00Application AttributeKey01CARB OTC LEED Compliant AttributeKey02Capacity AttributeKey03Collection AttributeKey04, length_Attrib, width_AttribDiameter AttributeKey05Drain Location AttributeKey06Drain Valve Material AttributeKey07ETL Listed AttributeKey08End Connection 1 AttributeKey09End Connection 2 AttributeKey10End Connections AttributeKey11Energy Star Compliant AttributeKey12First Hour Rating AttributeKey13Flow Rate AttributeKey14GSA Approved AttributeKey15, height_AttribHeight AttributeKey16High Pressure AttributeKey17IAPMO Listed AttributeKey18Lining of Tank AttributeKey19Material AttributeKey20Material Type AttributeKey21Maximum Pressure AttributeKey22Media AttributeKey23Number Of Elements AttributeKey24Phase AttributeKey25Power Source AttributeKey26Return Pipe Connection AttributeKey27UL Listed AttributeKey28Uniform Energy Factor UEF AttributeKey29Volts AttributeKey30Water Connections AttributeKey31Water Heater Capacity Range AttributeKey32Water Heater Type AttributeKey33Watts DimensionUnitinch diameter, length, width22.0 height39.75 moq, multiple1 MPN100318021 qtyInStockCall for Availability SKU7952670 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com79526701Call for Availability1