As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100297242 A.O. Smith . 100297242 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute0095.00 Attribute01Commercial, Residential Attribute02199000 Attribute03185000 Btu/h Attribute04, Attribute07Yes Attribute05Proline® XE Attribute0618 in Attribute084.8 gpm Attribute09Propane Attribute10Energy Star, Yes Attribute1132-1/2 in Attribute12199 MBH Attribute13, Attribute2118-3/4 in Attribute14150 psi Attribute15, Attribute19No Attribute16Gas Attribute171 in Attribute181/2 in Attribute20Direct Vent AttributeKey00AFUE AttributeKey01Application AttributeKey02BTU AttributeKey03BTU Heat Rating AttributeKey04CSA Certified AttributeKey05Collection AttributeKey06Depth AttributeKey07Energy Star Compliant AttributeKey08Flow Rate AttributeKey09Fuel Type AttributeKey10Green AttributeKey11, height_AttribHeight AttributeKey12Input MBH AttributeKey13, length_AttribLength AttributeKey14Maximum Pressure AttributeKey15NSF Certified AttributeKey16Power Source AttributeKey17Return Pipe Connection AttributeKey18Supply Pipe Connection AttributeKey19UL Listed AttributeKey20Vent Type AttributeKey21, width_AttribWidth DimensionUnitinch height32.5 length, width18.75 moq, multiple1 MPN100297242 qtyInStockCall for Availability SKU7573503 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com75735031Call for Availability1