As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100344661 A.O. Smith . 100344661 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00ANSI 5, ANSI Z21.10.3 Attribute01Commercial, Residential Attribute02180000 Attribute03For Sale in CA Attribute04CSA 4.3 Attribute05, Attribute08, Attribute18, Attribute21Yes Attribute0611-1/4 in Attribute07Ultra Low Nox Attribute095.4 gpm Attribute10Natural Gas Attribute11Energy Star, Yes Attribute12Indoor Attribute1315 Attribute14180 Attribute15150 psi Attribute16130 Attribute17125 Attribute19NSF 5 Attribute20Gas Attribute22, Attribute24No Attribute233/4 in Attribute250.95 Attribute26Power Direct Vent Attribute27, Weight58 Attribute2817-3/4 in AttributeKey00ANSI Specifications AttributeKey01Application AttributeKey02BTU AttributeKey03CEC Compliant AttributeKey04CSA Certified AttributeKey05Condensing AttributeKey06, length_AttribDepth AttributeKey07Emission AttributeKey08Energy Star Compliant AttributeKey09Flow Rate AttributeKey10Fuel Type AttributeKey11Green AttributeKey12Indoor Outdoor AttributeKey13Low Pressure AttributeKey14MBH AttributeKey15Maximum Pressure AttributeKey16Maximum Temperature AttributeKey17Minimum Temperature AttributeKey18NSF Certified AttributeKey19NSF Specifications AttributeKey20Power Source AttributeKey21SCAQMD Compliant AttributeKey22Smart Home Enabled AttributeKey23Supply Pipe Connection AttributeKey24UL Listed AttributeKey25Uniform Energy Factor UEF AttributeKey26Vent Type AttributeKey27, Weight_AttribWeight AttributeKey28, width_AttribWidth DimensionUnitinch depth, length11.25 moq, multiple, tierMinQty11 MPN100344661 qtyInStock-2 qtySourceFieldMap SKU9814362 tierPrice11684.62 width17.75 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com98143621-211 @ $1684.62