Phoenix Solar Water Heaterby Heat Transfer

The Phoenix solar water heater combines domestic hot-water storage with a 97% efficient, gas-fired backup in one unit. In addition, the unit features side tappings in the jacket that permit auxiliary connections to a hydro-air system for space heating. Made from stainless steel, the product incorporates a dedicated solar heat exchanger. 800.323.9651. www.htproducts.com.