Constructed of tough, durable stainless steel, H-series burners can be removed individually or as a complete unit for easy maintenance and cleaning * Injection molded polymer header offers improved by-pass control and extended life by providing additional protection from damaging effects of erosion * All Hayward heat exchangers are now protected with highly resilient cupro nickel for greater durability and longevity * State-of-the-art finn plate heat exchanger with cupro nickel * Outdoor draft hood is integral to heater. Indoor and high wind stack draft hoods must be ordered separately