HEATER-UNIVERSAL 500 LP LONX ASME

The Hayward Heater-Universal 500 LP LONX ASME is a high-capacity liquid propane pool and spa heater engineered for demanding commercial and large-scale aquatic environments.

Delivering 500,000 BTUs of heating power, it provides rapid and consistent water temperature control, making it ideal for facilities that require robust performance and reliability. Constructed with durable, corrosion-resistant materials and advanced combustion technology, the unit ensures long service life while optimizing energy efficiency. Its ASME certification guarantees compliance with stringent safety and quality standards, while the universal design allows flexible installation. User-friendly digital controls enable precise temperature management, ensuring dependable comfort and efficient operation in both residential and commercial applications

In-Ground Pool/Spa Gas Heaters Owner's Manual(opens in new tab)

Indoor Vent Kit Instructions (2021)