AO Smith SMI GCR-40LP ProMax 300/301 Series 40 Gallon Liquid Propane Water Heater with Intelligent Control Logic, Green Choice Gas Burner, DynaClean Diffuser Dip Tube and CoreGard Anode Rod

Designed to deliver an economical performance, you can lower your energy bills and also get access to long-lasting value. Featuring Intelligent Control Logic that use precise sensing for faster heating response, Green Choice Gas Burners that reduces NOx emissions by up to 33%, DynaClean Diffuser Dip Tube that reduces lime and sediment buildup, and CoreGard Anode Rod to extend the life the rod for superior tank protection. Additionally you get a 6-year limited warranty.