As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100304590 A.O. Smith . 100304590 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI Z21.10.1, ANSI Z21.10.3 Attribute01Residential Attribute0240000 Attribute03For Sale in CA Attribute04CSA 4.1, CSA 4.3 Attribute0540 gal Attribute06Blue Diamond® Glass Coating Attribute07ProLine® XE Attribute0822 in Attribute09Bottom Attribute10Brass Attribute11, Attribute31No Attribute12Reduced Nox Attribute13, Attribute14, Attribute15NPT Attribute16Yes Attribute1771 Attribute18Natural Gas Attribute19Energy Star, Yes Attribute2058-1/4 in Attribute21Hot Surface Ignition Attribute22Vertical Mount Attribute2340 Attribute24Glass, Magnesium Attribute25Polymer Attribute26150 psi Attribute27155 Attribute28Gas Attribute293/4 in Attribute30Up to 155 Deg F Attribute320.71 Attribute33Power Direct Vent Attribute34, Voltage125V Attribute35Top Attribute3630 - 40 gal Attribute37Short AttributeKey00ANSI Specifications AttributeKey01Application AttributeKey02BTU AttributeKey03CEC Compliant AttributeKey04CSA Certified AttributeKey05Capacity AttributeKey06Coating AttributeKey07Collection AttributeKey08, length_Attrib, width_AttribDiameter AttributeKey09Drain Location AttributeKey10Drain Valve Material AttributeKey11ETL Listed AttributeKey12Emission AttributeKey13End Connection 1 AttributeKey14End Connection 2 AttributeKey15End Connections AttributeKey16Energy Star Compliant AttributeKey17First Hour Rating AttributeKey18Fuel Type AttributeKey19Green AttributeKey20, height_AttribHeight AttributeKey21Ignition System AttributeKey22Installation Type AttributeKey23MBH AttributeKey24Material AttributeKey25Material Type AttributeKey26Maximum Pressure AttributeKey27Maximum Temperature AttributeKey28Power Source AttributeKey29Supply Pipe Connection AttributeKey30Temperature Range AttributeKey31UL Listed AttributeKey32Uniform Energy Factor UEF AttributeKey33Vent Type AttributeKey34Volts AttributeKey35Water Connections AttributeKey36Water Heater Capacity Range AttributeKey37Water Heater Type DimensionUnitinch diameter, length, width22.0 height58.25 moq, multiple1 MPN100304590 qtyInStockCall for Availability SKU5065909 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com50659091Call for Availability1