As an Amazon Associate, we earn from qualifying purchases. A. O. Smith? Water Heater Expansion Tank 2.1 Gallons | HD Supply A. O. Smith . TW-5-1 Gallery Attributes Brand name, Manufacturer name, Manufacturer, Attribute00A. O. Smith Attribute01, countryOfOriginITALY Attribute0240101700 Attribute03, UPC009850138000 Attribute049850138000 Attribute05150 Attribute06, moq, multiple, tierMinQty11 Attribute078 in. Attribute0811 in. Attribute168.800 Attribute1713.100 Attribute18IN Attribute19, Weight5.110 Attribute20LB Attribute218.400 AttributeKey00Brand AttributeKey01Country of Origin AttributeKey02UNSPSC AttributeKey03UPC AttributeKey04UPC Code AttributeKey05Maximum Working Pressure AttributeKey06Package Quantity AttributeKey07, length_Attrib, width_AttribProduct Diameter AttributeKey08Product Height AttributeKey09AbilityOne AttributeKey10ADA Approved AttributeKey11GSA Approved AttributeKey12Made in the USA AttributeKey13TAA/BAA Compliant AttributeKey14UL Listed AttributeKey15Hazardous AttributeKey16Height AttributeKey17Length AttributeKey18Size Measure AttributeKey19Weight AttributeKey20Weight Measure AttributeKey21Width DimensionUnitinch InStockStringTrue Extra Product NameA. O. Smith? Water Heater Expansion Tank 2.1 Gallons | HD Supply WeightUnitlbs diameter, length, width8.0 MPNTW-5-1 qtyInStock-2 qtySourceInStockString SKU640585 tierPrice186.89 Distributor offers SellerSKUMOQIn stockMultiplePrices HD Supply6405851-211 @ $86.89