As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100326531 A.O. Smith . 100326531 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI Z21.10.1 Attribute01Residential Attribute0236000 Attribute03CSA 4.1 Attribute0440 gal Attribute05Blue Diamond® Glass Coating Attribute06ProLine® Attribute0720 in Attribute08Bottom Attribute09Brass Attribute10, Attribute30No Attribute11Low Nox Attribute12, Attribute13NPT Attribute14NPT x NPT Attribute15Yes Attribute1680 Attribute17Propane Attribute18Energy Star, Yes Attribute1961-3/4 in Attribute20Piezo Igniter Attribute21Vertical Mount Attribute2236 Attribute23Aluminum, Glass, Stainless Steel Attribute24Polymer Attribute25150 psi Attribute26155 Attribute27Gas Attribute283/4 in Attribute29Up to 155 Deg F Attribute310.66 Attribute32Atmospheric Vent Attribute33Top Attribute3430 - 40 gal Attribute35Tall AttributeKey00ANSI Specifications AttributeKey01Application AttributeKey02BTU AttributeKey03CSA Certified AttributeKey04Capacity AttributeKey05Coating AttributeKey06Collection AttributeKey07, length_Attrib, width_AttribDiameter AttributeKey08Drain Location AttributeKey09Drain Valve Material AttributeKey10ETL Listed AttributeKey11Emission AttributeKey12End Connection 1 AttributeKey13End Connection 2 AttributeKey14End Connections AttributeKey15Energy Star Compliant AttributeKey16First Hour Rating AttributeKey17Fuel Type AttributeKey18Green AttributeKey19, height_AttribHeight AttributeKey20Ignition System AttributeKey21Installation Type AttributeKey22MBH AttributeKey23Material AttributeKey24Material Type AttributeKey25Maximum Pressure AttributeKey26Maximum Temperature AttributeKey27Power Source AttributeKey28Supply Pipe Connection AttributeKey29Temperature Range AttributeKey30UL Listed AttributeKey31Uniform Energy Factor UEF AttributeKey32Vent Type AttributeKey33Water Connections AttributeKey34Water Heater Capacity Range AttributeKey35Water Heater Type DimensionUnitinch diameter, length, width20.0 height61.75 moq, multiple1 MPN100326531 qtyInStockCall for Availability SKU8554957 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com85549571Call for Availability1