As an Amazon Associate, we earn from qualifying purchases. Supplies Depot: Navien 30008181B DHW Heat Exchanger NAVIEN . 30008181B Gallery Attributes Brand name, Manufacturer name, ManufacturerNAVIEN KnownManNavien Extra Product NameSupplies Depot: Navien 30008181B DHW Heat Exchanger moq, multiple, tierMinQty11 MPN, SKU30008181B qtyInStock-2 qtySourceFieldMap tierPrice169.95 Distributor offers SellerSKUMOQIn stockMultiplePrices suppliesdepot.com30008181B1-211 @ $69.95