As an Amazon Associate, we earn from qualifying purchases. Supplies Depot: Navien 30005693A Space Heating Return Pipe NAVIEN . 30005693A Gallery Attributes Brand name, Manufacturer name, ManufacturerNAVIEN KnownManNavien Extra Product NameSupplies Depot: Navien 30005693A Space Heating Return Pipe moq, multiple, tierMinQty11 MPN, SKU30005693A qtyInStock-2 qtySourceFieldMap tierPrice129.95 Distributor offers SellerSKUMOQIn stockMultiplePrices suppliesdepot.com30005693A1-211 @ $29.95