Weil-McLain now offers an advanced line of water heaters with composite construction tanks built to handle the hardest water conditions, the company notes. The new Aqua Pro indirect-fired water heaters feature a nonmetallic, corrosion-resistant design that delivers superior first-hour ratings and recovery, Weil-McLain states. The AHRI-certified units are available in 30-, 55-, 80- or 119-gal. sizes. Other features include top connections for easy access, a digital temperature control, ensuring accurate delivery temperature for optimal comfort, and no anode to check and maintain.