Hayward Universal H Series Pool Heater - W3H400FDN

Looking for a durable and efficient pool and spa heater? Check out our range of heaters equipped with a standard cupro nickel heat exchanger available exclusively at Pool Supply Haus. Featuring excellent salt water and chemical corrosion resistance, our heaters are an ideal choice for those wanting a longer-lasting and low maintenance unit. Our exclusive "Totally Managed" cupro nickel heat exchanger water flow ensures the same water velocity through all tubes, resulting in faster heating times. The patented header by-pass design of our pool and spa heaters reduces pump run-time by up to 18 percent, leading to significant energy savings. These heaters come with 2in x 2 1/2in CPVC union plumbing connections and a common union for installation and service, making them easy to install and maintain. Additionally, they adapt to larger plumbing for even greater efficiencies. With low NOx emissions, our pool and spa heaters also meet clean air quality standards, ensuring a safer and healthier environment for you and your family. Get the heater that will keep your pool or spa at the ideal temperature while minimizing operational costs. Choose from our range of exclusive pool and spa heaters, available only at Pool Supply Haus.