As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100311597 A.O. Smith . 100311597 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute0080000 Attribute01, Attribute11, Attribute18No Attribute02CSA 4.3 Attribute0374 gal Attribute04Conservationist® Attribute05Grey Attribute0626 in Attribute07, Attribute08NPT Attribute09Natural Gas Attribute1070-5/8 in Attribute12Hot Surface Ignition Attribute1380 Attribute14Glass, Steel Attribute15150 psi Attribute16Gas Attribute173/4 in Attribute19Atmospheric Vent Attribute2051 - 100 gal AttributeKey00BTU AttributeKey01CARB OTC LEED Compliant AttributeKey02CSA Certified AttributeKey03Capacity AttributeKey04Collection AttributeKey05Color Finish AttributeKey06, length_Attrib, width_AttribDiameter AttributeKey07End Connection 1 AttributeKey08End Connections AttributeKey09Fuel Type AttributeKey10, height_AttribHeight AttributeKey11IAPMO Listed AttributeKey12Ignition System AttributeKey13MBH AttributeKey14Material AttributeKey15Maximum Pressure AttributeKey16Power Source AttributeKey17Supply Pipe Connection AttributeKey18UL Listed AttributeKey19Vent Type AttributeKey20Water Heater Capacity Range DimensionUnitinch diameter, length, width26.0 height70.625 moq, multiple1 MPN100311597 qtyInStockCall for Availability SKU3102308 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com31023081Call for Availability1