Description
Lochinvar EnergyRite ERN402 Pool Heater — 399,000 BTU Natural Gas
Intro
The Lochinvar EnergyRite ERN402 is a high-capacity natural gas pool heater designed for residential pools and light commercial use. With 399,000 BTU/h input, it delivers rapid, even heating and dependable performance across seasons. The EnergyRite lineup emphasizes durability, durable heat exchangers, and efficient operation, while offering flexible venting options for both indoor and outdoor installations. This unit is built to sustain frequent cycling and ensure consistent pool temperatures with minimal maintenance.
List of Features
- 399,000 BTU/h input enables rapid pool heating for quick comfort.
- Commercial-grade heat exchanger designed for long-lasting reliability in daily use.
- Indoor/outdoor venting supports flexible installation in various spaces.
- Optional cupro-nickel heat exchanger boosts corrosion resistance for saltwater pools.
- Bronze header option available adds durability in challenging water conditions.
- Advanced display with soft-touch controls simplifies setup and monitoring.
- Low-NOx emissions meets stringent environmental standards without sacrificing performance.
- Three-year limited warranty provides backed support from Lochinvar.
Final Thoughts
For pool owners seeking fast warm-up, dependable operation, and installation flexibility, the EnergyRite ERN402 stands out. It pairs robust heating power with user-friendly controls and a strong warranty, making it a smart, long-term investment for comfortable pool seasons. Ready to heat smarter? Add the EnergyRite ERN402 to your cart or consult a Lochinvar-certified installer today.











