• Lifetime Limited Warranty for Residential Installations • 5 Year Limited Warranty for Commercial Installations • 316L Stainless Steel Tank • Stainless Steel Coil • Readily Accessible Tank Opening for Inspection and Clean Out • Smooth Coil Surface of Stainless Steel • 2" CFC-Free Insulation • Polypropylene Outer Jacket • 24" x 70" • Honeywell L4006A Control Available as Option