As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100122858 A.O. Smith . 100122858 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI Z21.10.3 Attribute01Commercial Attribute02500000 Attribute03Galvanized Attribute04Burkay® Genesis Attribute05, Attribute17No Attribute06Propane Attribute0731-1/2 in Attribute08Hot Surface Ignition Attribute09500 MBH Attribute1054-1/4 in Attribute11Steel Attribute12Single Phase Attribute13Gas Attribute14, Attribute152 in Attribute16AGWH50000P100000 Attribute1822-1/4 in AttributeKey00ANSI Specifications AttributeKey01Application AttributeKey02BTU AttributeKey03Coating AttributeKey04Collection AttributeKey05Energy Star Compliant AttributeKey06Fuel Type AttributeKey07, height_AttribHeight AttributeKey08Ignition System AttributeKey09Input MBH AttributeKey10, length_AttribLength AttributeKey11Material AttributeKey12Phase AttributeKey13Power Source AttributeKey14Return Pipe Connection AttributeKey15Supply Pipe Connection AttributeKey16Type AttributeKey17UL Listed AttributeKey18, width_AttribWidth DimensionUnitinch height31.5 length54.25 moq, multiple, tierMinQty11 MPN100122858 qtyInStockCall for Availability SKU5146745 tierPrice18158.26 width22.25 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com51467451Call for Availability11 @ $8158.26