Hayward is always looking for ways to make pool and spa ownership as affordable and effortless as possible. Our Universal H-Series pool and spa heaters combine advanced technology with universal-fi t fl exibility, making them a smart choice for virtually any new installation or system upgrade. They deliver state-of-the-industry performance, save up to 18% on energy costs, have extremely low NOx emission levels and a legendary reputation for durability. They’re offered in 150,000, 200,000, 250,000, 300,000, 350,000 and 400,000 BTU/hr. models. A choice of left-side or right-side electric, gas and water connections gives Universal H-Series heaters unprecedented installation fl exibility. This enhanced adaptability – coupled with a lightweight design, a modern low-profi le appearance and front-panel only access required for both installation and service – ensures compatibility with virtually all new or existing systems and equipment pad confi gurations.