Lochinvar EnergyRite ERN-650 Commercial Gas Water Heater

Model ERN-650
4.5/5 from 40 ratings
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Price as of May 2026
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Btu
650000
Fuel Type
Natural Gas
Tank Type
Commercial
Warranty Years
3
Capacity Gallons
100
First Hour Delivery
650

Lochinvar EnergyRite ERN-650 Commercial Gas Water Heater Review

The Lochinvar EnergyRite ERN-650 Commercial Gas Water Heater is Lochinvar's high-output commercial gas tank. 650K BTU input for very fast recovery in commercial applications.

Specs: 100 gallons stored, 650,000 BTU input, UEF 0.62, 620-gallon FHR, 3-year commercial tank warranty. Power-vent PVC venting.

The 650K BTU burner produces extreme recovery rates — appropriate for substantial commercial applications (large restaurants, hotels, large multi-family residential, industrial process). The recovery rate handles continuous high-demand commercial cycles.

About $7,000 unit, $11,500-$15,000 installed depending on commercial gas line and venting work. Right buyer: large commercial application requiring extreme-capacity high-recovery gas water heater.

Full Specifications

Brand
Lochinvar
Model Number
ERN-650
Btu
650000
Fuel Type
Natural Gas
Tank Type
Commercial
Warranty Years
3
Capacity Gallons
100
First Hour Delivery
650

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