Smart Features: Small, energy-efficient wall heaters offer an electronic spark ignition, 7-stage modulating gas valve, timer settings, a variable speed inducer motor with a pressure switch, and an electronic thermostat with a range of 60-80°F Safe Settings: Our indoor wall mounted heater features a cool-to-the-touch cabinet, a child lock and self-diagnostic electronics that continually monitor functions, provide auto shutdown codes, and restart automatically if ignition or combustion fails Professional Installation Recommended: Visit the Find a Rinnai PRO page on our website to locate a qualified technician in your area to install your heater; We do not recommend installing a heater without a technician Find Your Rinnai: See our product guides, manuals, energy guide, warranty information, videos, and tables to find the right heating solution for your home; Check our Heat Zone Map to see if this heater is optimal for your region