As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100323945 A.O. Smith . 100323945 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI Z21.10.1 Attribute01Residential Attribute0229000 Attribute03CSA 4.1 Attribute0430 gal Attribute05Blue Diamond® Glass Coating Attribute06ProLine® Attribute0718 in Attribute08Bottom Attribute09Brass Attribute10, Attribute15, Attribute29No Attribute11Low Nox Attribute12, Attribute13NPT Attribute14NPT x NPT Attribute1665 Attribute17Propane Attribute1850-1/4 in Attribute19Piezo Igniter Attribute20Vertical Mount Attribute2129 Attribute22Glass, Stainless Steel Attribute23Polymer Attribute24150 psi Attribute25155 Attribute26Gas Attribute273/4 in Attribute28Up to 155 Deg F Attribute300.6 Attribute31Atmospheric Vent Attribute32Top Attribute3330 - 40 gal Attribute34Short 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 AttributeKey18, height_AttribHeight AttributeKey19Ignition System AttributeKey20Installation Type AttributeKey21MBH AttributeKey22Material AttributeKey23Material Type AttributeKey24Maximum Pressure AttributeKey25Maximum Temperature AttributeKey26Power Source AttributeKey27Supply Pipe Connection AttributeKey28Temperature Range AttributeKey29UL Listed AttributeKey30Uniform Energy Factor UEF AttributeKey31Vent Type AttributeKey32Water Connections AttributeKey33Water Heater Capacity Range AttributeKey34Water Heater Type DimensionUnitinch diameter, length, width18.0 height50.25 moq, multiple1 MPN100323945 qtyInStockCall for Availability SKU8155297 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com81552971Call for Availability1