Aqua Pro indirect-fired water heaters from Weil-McLain have a nonmetallic, corrosion-resistant design that delivers high first hour ratings and recovery. The AHRI-certified units are available in four sizes — 30, 55, 80 or 119 gallons — making them flexible for a broad range of applications. The unit’s lightweight, nonmetallic tank design allows for easy maneuverability and installation in basements, storage rooms or other tight spaces. They include convenient top connections for easy access, a digital temperature control ensuring accurate delivery temperature for optimal comfort, and no anode to check, which eliminates annual maintenance. 855-248-1777; www.weil-mclain.com.