As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100191138 A.O. Smith . 100191138 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI Z21.10.1 Attribute01Residential Attribute0235500 Attribute03For Sale in CA Attribute04CSA 4.1 Attribute0540 gal Attribute06ProLine® Attribute0720 in Attribute08Brass Attribute09, Attribute14, Attribute30No Attribute10Low Nox Attribute11, Attribute12, Attribute13Compression Attribute1565 Attribute16, Attribute17, Attribute183/4 in Attribute19Natural Gas Attribute2061-3/4 in Attribute21150 Attribute22Push Button Spark Ignition Attribute23Blue Diamond® Glass Attribute2435.5 Attribute25Stainless Steel Attribute26Polymer Attribute27300 psi Attribute28Gas Attribute291/2 in Attribute310.61 Attribute32Atmospheric Vent Attribute33Top Attribute3430 - 40 gal Attribute35Tall AttributeKey00ANSI Specifications AttributeKey01Application AttributeKey02BTU AttributeKey03CEC Compliant AttributeKey04CSA Certified AttributeKey05Capacity AttributeKey06Collection AttributeKey07, length_Attrib, width_AttribDiameter AttributeKey08Drain Valve Material AttributeKey09ETL Listed AttributeKey10Emission AttributeKey11End Connection 1 AttributeKey12End Connection 2 AttributeKey13End Connections AttributeKey14Energy Star Compliant AttributeKey15First Hour Rating AttributeKey16Fitting Size 1 AttributeKey17Fitting Size 2 AttributeKey18Fitting Sizes AttributeKey19Fuel Type AttributeKey20, height_AttribHeight AttributeKey21High Pressure AttributeKey22Ignition System 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, width20.0 height61.75 moq, multiple, tierMinQty11 MPN100191138 qtyInStock-2 qtySourceFieldMap SKU5076697 tierPrice1787.40 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com50766971-211 @ $787.40