As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100210124 A.O. Smith . 100210124 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI Z21.10.1 Attribute01Residential Attribute0238000 Attribute03For Sale in CA Attribute04CSA 4.1 Attribute0540 gal Attribute06Blue Diamond® Glass Coating Attribute07ProMax® Attribute0822 in Attribute09Bottom Attribute10Brass Attribute11, Attribute16, Attribute30No Attribute12Low Nox Attribute13, Attribute14, Attribute15MNPT Attribute1772 Attribute18Natural Gas Attribute1964 in Attribute20Piezo Igniter Attribute21Vertical Mount Attribute2238 Attribute23Glass, Magnesium, Stainless Steel Attribute24Polymer Attribute25150 psi Attribute26155 Attribute27Gas Attribute283/4 in Attribute29Up to 155 Deg F Attribute310.6 Attribute32Direct Vent Attribute33Top Attribute3430 - 40 gal Attribute35Tall 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 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, width22.0 height64.0 moq, multiple1 MPN100210124 qtyInStockCall for Availability SKU4883227 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com48832271Call for Availability1