As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100051243 A.O. Smith . 100051243 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI Z21.10.1 Attribute01Residential Attribute0240000 Attribute03For Sale in CA Attribute04CSA 4.1 Attribute0550 gal Attribute06Blue Diamond® Glass Coating Attribute07ProLine® Attribute08Greys Attribute0924 in Attribute10Bottom Attribute11Brass Attribute12, Attribute17, Attribute22, Attribute33No Attribute13Low Nox Attribute14, Attribute15, Attribute16NPT Attribute1881 Attribute19Propane Attribute2053-1/4 in Attribute21150 Attribute23Piezo Igniter Attribute24Vertical Mount Attribute2540 Attribute26Aluminum, Glass, Stainless Steel Attribute27Polymer Attribute28300 psi Attribute29155 Attribute30Gas Attribute313/4 in Attribute32Up to 155 Deg F Attribute340.62 Attribute35Atmospheric Vent Attribute36Top Attribute3741 - 50 gal Attribute38Short AttributeKey00ANSI Specifications AttributeKey01Application AttributeKey02BTU AttributeKey03CEC Compliant AttributeKey04CSA Certified AttributeKey05Capacity AttributeKey06Coating AttributeKey07Collection AttributeKey08Color Finish Category AttributeKey09, length_Attrib, width_AttribDiameter AttributeKey10Drain Location AttributeKey11Drain Valve Material AttributeKey12ETL Listed AttributeKey13Emission AttributeKey14End Connection 1 AttributeKey15End Connection 2 AttributeKey16End Connections AttributeKey17Energy Star Compliant AttributeKey18First Hour Rating AttributeKey19Fuel Type AttributeKey20, height_AttribHeight AttributeKey21High Pressure AttributeKey22ISO Specifications AttributeKey23Ignition System AttributeKey24Installation Type AttributeKey25MBH AttributeKey26Material AttributeKey27Material Type AttributeKey28Maximum Pressure AttributeKey29Maximum Temperature AttributeKey30Power Source AttributeKey31Supply Pipe Connection AttributeKey32Temperature Range AttributeKey33UL Listed AttributeKey34Uniform Energy Factor UEF AttributeKey35Vent Type AttributeKey36Water Connections AttributeKey37Water Heater Capacity Range AttributeKey38Water Heater Type DimensionUnitinch diameter, length, width24.0 height53.25 moq, multiple1 MPN100051243 qtyInStockCall for Availability SKU5076776 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com50767761Call for Availability1