As an Amazon Associate, we earn from qualifying purchases. A.O. Smith . 100120544 A.O. Smith . 100120544 Gallery Attributes Brand name, Manufacturer name, ManufacturerA.O. Smith Attribute00Commercial Attribute01, Attribute08, Attribute10, Attribute15, Attribute20No Attribute02For Sale in CA Attribute0350 gal Attribute04Enamel Attribute05Gold XI Series Attribute06Grey Attribute0721-3/4 in Attribute0955-1/4 in Attribute11Electronic Ignition Attribute1220.478 Attribute13Glass, Steel Attribute14150 psi Attribute163 Attribute17Three Phase Attribute18Electric Attribute191-1/4 in Attribute21, Voltage208V Attribute2241 - 50 gal Attribute23Tall Attribute246 AttributeKey00Application AttributeKey01CARB OTC LEED Compliant AttributeKey02CEC Compliant AttributeKey03Capacity AttributeKey04Coating AttributeKey05Collection AttributeKey06Color Finish AttributeKey07, length_Attrib, width_AttribDiameter AttributeKey08Energy Star Compliant AttributeKey09, height_AttribHeight AttributeKey10IAPMO Listed AttributeKey11Ignition System AttributeKey12MBH AttributeKey13Material AttributeKey14Maximum Pressure AttributeKey15NSF Certified AttributeKey16Number Of Elements AttributeKey17Phase AttributeKey18Power Source AttributeKey19Supply Pipe Connection AttributeKey20UL Listed AttributeKey21Volts AttributeKey22Water Heater Capacity Range AttributeKey23Water Heater Type AttributeKey24Watts DimensionUnitinch diameter, length, width21.75 height55.25 moq, multiple, tierMinQty11 MPN100120544 qtyInStock-2 qtySourceFieldMap SKU1256184 tierPrice16324.70 Distributor offers SellerSKUMOQIn stockMultiplePrices ferguson.com12561841-211 @ $6324.70