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. Combing 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 are offered in 150K, 250K, 300K, 350K, and 400K BTU/hr units.