Lochinvar EnergyRite ERN-301 75-Gallon Commercial Gas Water Heater
Model ERN-301
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Price as of Apr 2026
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Btu
300000
Venting
Atmospheric
Fuel Type
Natural Gas
Tank Type
Commercial
Energy Factor
0.81
Warranty Years
5
Lochinvar EnergyRite ERN-301 75-Gallon Commercial Gas Water Heater Review
The Lochinvar EnergyRite ERN-301 75-Gallon Commercial Gas Water Heater is a commercial-grade large-capacity gas tank from Lochinvar. EnergyRite identifies the residential-commercial crossover line.
Specs: 75 gallons stored, 300,000 BTU input, UEF 0.62, 290-gallon FHR, 3-year commercial tank warranty. Power-vent PVC venting.
The 300K BTU burner produces extremely fast recovery — appropriate for light commercial applications or very-large residential with extreme overlapping demand. Far exceeds typical residential needs.
About $3,500 unit, $5,500-$7,500 installed depending on commercial gas line and venting work. Right buyer: light commercial application with substantial 75-gallon-class continuous demand.
Full Specifications
Brand
Lochinvar
Model Number
ERN-301
Btu
300000
Venting
Atmospheric
Fuel Type
Natural Gas
Tank Type
Commercial
Energy Factor
0.81
Warranty Years
5
Capacity Gallons
75
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