Raypak's Digital Electronic Ignition Heater is the perfect choice for pool and spa owners who are looking for a durable, user-friendly heating experience. This unit will stand the test of time thanks to its polyester-coated, non-corrosive cabinet and wind resistant, low-profile design. This quality heater also features an automatic bypass which allows it to handle various GPM's without requiring users to manually adjust flow rates. Polymer headers coupled with stainless steel tube sheeting helps to prevent rust stains from harming your pool or spa surfaces. This may be one of Raypak's smallest pool and spa heaters, but there's no question that with its energy efficiency, durable design, and user-friendly control system, it still packs a large punch.