As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100327326 A.O. Smith . 100327326 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI Z21.10.1 Attribute01Residential Attribute0235500 Attribute03, Attribute12, Attribute17, Attribute20, Attribute22, Attribute23, Attribute31, Attribute35No Attribute04For Sale in CA Attribute05CSA 4.1 Attribute0640 gal Attribute07Blue Diamond® Glass Coating Attribute08ProLine® Attribute0920 in Attribute10Bottom Attribute11Brass Attribute13Low Nox Attribute14, Attribute15, Attribute16NPT Attribute1865 Attribute19Natural Gas Attribute2161-3/4 in Attribute24Piezo Igniter Attribute25Vertical Mount Attribute2635.5 Attribute27Aluminum, Glass, Stainless Steel Attribute28Polymer Attribute29150 psi Attribute30155 Attribute32Gas Attribute333/4 in Attribute34Up to 155 Deg F Attribute360.61 Attribute37Atmospheric Vent Attribute38Top Attribute3930 - 40 gal Attribute40Tall AttributeKey00ANSI Specifications AttributeKey01Application AttributeKey02BTU AttributeKey03CARB OTC LEED Compliant AttributeKey04CEC Compliant AttributeKey05CSA Certified AttributeKey06Capacity AttributeKey07Coating AttributeKey08Collection AttributeKey09, length_Attrib, width_AttribDiameter AttributeKey10Drain Location AttributeKey11Drain Valve Material AttributeKey12ETL Listed AttributeKey13Emission AttributeKey14End Connection 1 AttributeKey15End Connection 2 AttributeKey16End Connections AttributeKey17Energy Star Compliant AttributeKey18First Hour Rating AttributeKey19Fuel Type AttributeKey20GSA Approved AttributeKey21, height_AttribHeight AttributeKey22IAPMO Listed AttributeKey23ISO Specifications AttributeKey24Ignition System AttributeKey25Installation Type AttributeKey26MBH AttributeKey27Material AttributeKey28Material Type AttributeKey29Maximum Pressure AttributeKey30Maximum Temperature AttributeKey31NSF Certified AttributeKey32Power Source AttributeKey33Supply Pipe Connection AttributeKey34Temperature Range AttributeKey35UL Listed AttributeKey36Uniform Energy Factor UEF AttributeKey37Vent Type AttributeKey38Water Connections AttributeKey39Water Heater Capacity Range AttributeKey40Water Heater Type DimensionUnitinch diameter, length, width20.0 height61.75 moq, multiple1 MPN100327326 qtyInStockCall for Availability SKU5076725 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com50767251Call for Availability1