As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100131977 A.O. Smith . 100131977 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00, Attribute09, Attribute11, Attribute16No Attribute01, Attribute22Yes Attribute0219 gal Attribute03Dura-Power™ Attribute04Grey Attribute0521-3/4 in Attribute06, Attribute07, Attribute08FNPT Attribute1022-1/4 in Attribute12Electronic Ignition Attribute13Glass, Steel Attribute14150 psi Attribute15170 Attribute17, moq, multiple, tierMinQty11 Attribute18Single Phase Attribute19Electric Attribute203/4 in Attribute21110 to 170 Deg F Attribute23, Voltage480V Attribute2410 - 29 gal Attribute25Lowboy Attribute264.5 AttributeKey00CARB OTC LEED Compliant AttributeKey01CSA Certified AttributeKey02Capacity AttributeKey03Collection AttributeKey04Color Finish AttributeKey05, length_Attrib, width_AttribDiameter AttributeKey06End Connection 1 AttributeKey07End Connection 2 AttributeKey08End Connections AttributeKey09Energy Star Compliant AttributeKey10, height_AttribHeight AttributeKey11IAPMO Listed AttributeKey12Ignition System AttributeKey13Material AttributeKey14Maximum Pressure AttributeKey15Maximum Temperature AttributeKey16NSF Certified AttributeKey17Number Of Elements AttributeKey18Phase AttributeKey19Power Source AttributeKey20Supply Pipe Connection AttributeKey21Temperature Range AttributeKey22UL Listed AttributeKey23Volts AttributeKey24Water Heater Capacity Range AttributeKey25Water Heater Type AttributeKey26Watts DimensionUnitinch diameter, length, width21.75 height22.25 MPN100131977 qtyInStock-2 qtySourceFieldMap SKU4719357 tierPrice11297.20 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com47193571-211 @ $1297.20