The Aqua Pro indirect-fired water heaters from Weil-McLain feature a nonmetallic, corrosion-resistant design that delivers superior first hour ratings and recovery. The Aqua Pro 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 allows for easy maneuverability and installation in basements, storage rooms or other tight spaces. The units also feature a removable copper-finned high-output coil, a durable brass drain valve and 2-inch foam insulation that minimizes any standby heat loss. The unit is designed without welds for a seamless tank construction. 855-248-1777; www.weil-mclain.com.