Lochinvar 100143186 EnergyRite® Liquid Propane Gas Heater 400K BTU 120/240V
Lochinvar 100143186 EnergyRite® Liquid Propane Gas Heater 400K BTU 120/240V
The Lochinvar ERL-402 EnergyRite 400K BTU propane pool heater offers fast, efficient heating with advanced digital controls for reliable year-round performance.
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The Lochinvar ERL-402 100143186 EnergyRite® propane pool and spa heater provides 400,000 BTU of reliable heating for residential and commercial pools with advanced technology.
Designed for both indoor and outdoor use, this high-performance heater features a corrosion-resistant polymer header and copper tubing for long-lasting durability.
The unit’s digital control panel ensures precise temperature regulation and user-friendly operation, perfect for those seeking efficiency and ease of use.
Thanks to its energy-efficient design, the EnergyRite heater minimizes fuel consumption while delivering powerful heating for your pool or spa.
Built with Lochinvar’s commitment to quality, this propane heater stands out for its fast heating, reliable operation, and eco-friendly features, offering exceptional value.

⭐⭐⭐⭐⭐
Users are impressed with the heater's fast performance and ability to efficiently heat large pools and spas.
Many mention that the digital control system makes adjusting the temperature quick and simple.
The combination of propane fuel and copper tubing ensures fast heating with long-lasting durability.
Reviewers appreciate the quiet operation and reliable performance, even in tough outdoor conditions.
Overall, customers are satisfied with the heater’s energy efficiency, ease of use, and strong value for the price.

- Digital Controls: Easy-to-use panel for precise temperature management
- 400K BTU Output: Rapid heating ideal for large pools and spas
- Propane Fuel Type: Clean-burning, energy-efficient power source
- Copper Tubing: High thermal conductivity for efficient heat transfer
- Polymer Header: Corrosion-resistant for lasting durability
- Indoor/Outdoor Use: Flexible installation for various pool environments
- Energy Efficient: Designed to minimize fuel usage without sacrificing performance
- Commercial & Residential: Suitable for both home and professional pool systems
- Advanced Engineering: Built for reliable, year-round operation

- Brand: Lochinvar
- Model: ERL-402 100143186
- BTU Input: 400,000 BTU
- Fuel Type: Liquid Propane
- Voltage: 120V / 240V
- Application: Indoor, Outdoor, Pool, Spa
- Use Case: Commercial, Residential
- Control Type: Digital
- Tubing Material: Copper
- Header Material: Polymer
- Cabinet Dimensions: 22" D x 26.5" H x 41" W
- Weight: 269 lbs
- Flue Diameter: 7 inches
- Frequency Rating: 60 Hz
- Gas Connection: 0.75" FIT NPT
- Minimum Sell Quantity: 1
- Master Carton Quantity: 1
- Pallet Quantity: 1
- Shipping Dimensions: 36" x 50" x 28"


Q: Is the Lochinvar ERL-402 heater suitable for both indoor and outdoor pools?
Yes, this model is designed for flexible installation and can be used in both indoor and outdoor settings.
Q: What materials are used in the construction of the heat exchanger?
The heater features copper tubing for optimal heat transfer and a polymer header that resists corrosion over time.
Q: Is the ERL-402 propane heater energy-efficient?
Yes, it’s designed with energy efficiency in mind, reducing fuel consumption while maintaining high heating performance.

Pool heaters and heat pumps are not returnable once installed or connected. Double-check fuel type, voltage, and sizing before installation.

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