• Front view of Lochinvar ERL-402-A propane pool heater
  • Digital control panel on Lochinvar EnergyRite heater
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Lochinvar 100143191 EnergyRite® Digital Liquid Propane ASME Pool Heater 400K BTU

Lochinvar 100143191 EnergyRite® Digital Liquid Propane ASME Pool Heater 400K BTU

$4,368.33
$5,460.41 $4,368.33
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Propane Pool Heaters

Reliable 400K BTU propane pool heater with digital controls, ASME certification, and durable copper and cast iron components for efficient heating.
Product Details

The Lochinvar ERL-402-A EnergyRite® heater delivers 400,000 BTU of powerful liquid propane heating, ideal for maintaining perfect temperatures in pools and spas.

With rugged copper tubing and a cast iron header, it’s built for reliable performance and long-term resistance against wear and corrosion.

The digital control panel ensures simple, precise management of water temperatures while offering fast troubleshooting capabilities.

This heater supports both 120V and 240V power sources, making it flexible for installation in a variety of residential and commercial setups.

Its ASME-certified design guarantees high-quality standards for safety and efficiency, making it a smart investment for demanding pool environments.

The ERL-402-A is compatible with both indoor and outdoor use, offering efficient, dependable operation no matter the season or setting.

AI Review Summary ✨

⭐⭐⭐⭐⭐
Buyers love the fast, even heating performance and how quickly the heater raises water temperature.

The cast iron and copper build earns praise for durability and handling long-term exposure to tough pool environments.

Users appreciate the clear digital interface and how easy it is to monitor and control water temperature.

Many reviews highlight the reliable ignition system and energy-saving performance compared to older models.

The flexibility for indoor and outdoor use adds convenience and makes installation simple across different property types.
Features
  • High BTU Output: 400,000 BTU for rapid heating of large pools and spas.
  • Liquid Propane Powered: Clean-burning fuel for consistent temperature maintenance.
  • Digital Control Panel: Easy operation with precise temperature regulation.
  • ASME Certified: Meets stringent commercial safety and quality standards.
  • Copper Tubing: Excellent heat transfer and corrosion resistance.
  • Cast Iron Header: Durable construction built to withstand high pressure.
  • Indoor/Outdoor Capable: Versatile installation options for any space.
  • Dual Voltage: Operates on 120V or 240V for added compatibility.
  • Energy Efficient: Eco-conscious design with minimal heat loss.
Specifications
  • Brand: Lochinvar
  • Application: Indoor, Outdoor, Pool, Spa
  • Shipping Dimensions: 36 x 50 x 28 inches
  • BTU Input: 400,000 British thermal units
  • Cabinet Depth: 22 inches
  • Cabinet Height: 26.5 inches
  • Cabinet Width: 41 inches
  • Commercial, Residential, or Professional: Commercial, Residential
  • Control Type: Digital
  • Each Product Weight: 282 pounds
  • Flow Rate Max: 100 gallons per minute
  • Flow Rate Min: 40 gallons per minute
  • Flue Diameter: 7 inches
  • Frequency Rating (Hz): 60
  • Fuel Type: Propane
  • Gas Connection: 0.75 inch NPT
  • Green or Energy Efficient Product: True
  • Header Material: Cast Iron
  • Master Carton Quantity: 1
  • Minimum Sell Quantity: 1
  • Pallet Quantity: 1
  • Tubing Material: Copper
  • Voltage: 120V, 240V
User Guides
Frequently Asked Questions

Q: Can the ERL-402-A heater be installed indoors and outdoors?
Yes, this unit is designed for flexible installation in both indoor and outdoor settings.

Q: What are the advantages of copper tubing in this heater?
Copper provides superior thermal conductivity and is highly resistant to corrosion, ensuring fast heating and long-lasting performance.

Q: Does the heater support both 120V and 240V?
Yes, the dual-voltage capability makes it easy to integrate into various electrical setups.
View full details
Disclaimer:
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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