As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100217978 A.O. Smith . 100217978 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI Z21.10.1 Attribute01Residential Attribute0240000 Attribute03For Sale in CA Attribute04CSA 4.1 Attribute0540 gal Attribute06ProLine® Attribute0722 in Attribute08Bottom Attribute09Brass Attribute10, Attribute15, Attribute30No Attribute11Ultra Low Nox Attribute12, Attribute13, Attribute14NPT Attribute1669 Attribute1741 gph Attribute18Natural Gas Attribute1951-1/2 in Attribute20150 Attribute21Piezo Igniter Attribute22Vertical Mount Attribute23Blue Diamond® Glass Attribute2440 Attribute25Stainless Steel Attribute26Polymer Attribute27300 psi Attribute28Gas Attribute291/2 in Attribute310.62 Attribute32Atmospheric Vent Attribute33Top Attribute3430 - 40 gal Attribute35Short AttributeKey00ANSI Specifications AttributeKey01Application AttributeKey02BTU AttributeKey03CEC Compliant AttributeKey04CSA Certified AttributeKey05Capacity 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 AttributeKey17Flow Rate AttributeKey18Fuel Type AttributeKey19, height_AttribHeight AttributeKey20High Pressure AttributeKey21Ignition System AttributeKey22Installation Type AttributeKey23Lining of Tank AttributeKey24MBH AttributeKey25Material AttributeKey26Material Type AttributeKey27Maximum Pressure AttributeKey28Power Source AttributeKey29Supply Pipe Connection AttributeKey30UL Listed AttributeKey31Uniform Energy Factor UEF AttributeKey32Vent Type AttributeKey33Water Connections AttributeKey34Water Heater Capacity Range AttributeKey35Water Heater Type DimensionUnitinch diameter, length, width22.0 height51.5 moq, multiple, tierMinQty11 MPN100217978 qtyInStockItem Typically in Stock SKU5076718 tierPrice1942.40 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com50767181Item Typically in Stock11 @ $942.40