Hayward is always looking for ways to make pool and spa ownership as simple and effortless as possible. The latest example of this is the new Universal H-Series pool and spa heater. Combining advanced technology with universal-fit flexibility, it’s a smart choice for virtually any new installation or existing system upgrade — delivering state- of-the-industry performance, outstanding energy efficiency, extremely low NOx emission levels and Hayward’s legendary durability and reliability. Offered in 150,000, 200,000, 250,000, 300,000, 350,000 and 400,000 BTU/hr. inputs.