Skip to content
Now offering free shipping on all orders! See details.
Now offering free shipping on all orders!

Lochinvar 399K EnergyRite Natural Gas Heater Copper, ERN402 ERN-402

SKU ERN402
Original price $3,899.00 - Original price $3,899.00
Original price
$3,899.00
$3,899.00 - $3,899.00
Current price $3,899.00

Lochinvar ERN402 EnergyRite Low NOx 399,999 BTU, Natural Gas, Polymer Header Heater heats fast, saves money, and helps conserve our natural resources.

  • Two lines, 16-character digital display
  • Pool and Spa temperature control
  • Password lockable control
  • CPVC or PVC-ready
  • Third-party remote compatible
  • Sealed Combustion chamber
  • Fan-assisted combustion
  • Built-in combustible floor shield
  • Direct-Spark ignition
  • Stainless steel burners

Support Documents:

Installation Type: Residential
Fuel Type: Natural Gas
Pool Type: Spa/Hot Tub
Pool Type: In Ground
Product Type: Pool Heater
Ignition: Electronic
Heat Exchanger: Copper
Emission: Low NOx
Elevation: 0 - 2,000 ft
Controls: Digital
Heat Output: 399,000 BTU
Voltage: 120V / 240V
Energy Efficient: Yes
Manufacturer: Lochinvar
Warranty: 3-Year

Specifications:

Free Shipping: In-stock items ship within 1–2 business days. Please refer to our shipping policy for full details.

Warranty Information & Support: Visit our warranty page or refer to the specific product user manual.

Disclaimer: Professional installation (not included) is required for warranty validation.

Please Note: Images are for representation.

Fast & Free Shipping

Fastest shipping times in the industry.

30-Day Returns

Easy returns and immediate damage replacement.

100% Satisfaction Guarantee

We guarantee your complete satisfaction with every purchase.

On-Staff Experts

Contact us anytime. Our US-based experts are ready to assist you.