6-Year limited warranty on tank and parts. Unique side mounted water connections for easier installation, space saving design for installation in tight spaces, UL approved for use in manufactured housing, ideal for retro-fit replacement of electric water heater, single 2000 watt heating element, rigid foam insulation for superior heat retention, factory installed temperature and pressure relief valve, includes extra durable high temperature dip tube to meet the most stringent plumbing codes. Meets or exceeds National Appliance Conservation Act (NAECA) requirements.