Lochinvar ARMOR AWN-501 119-Gallon Condensing Commercial Water Heater

Model AWN-501
4.5/5 from 55 ratings
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Price as of Apr 2026
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Btu
500000
Venting
Direct Vent
Fuel Type
Natural Gas
Tank Type
Commercial
Condensing
1
Energy Factor
0.95

Lochinvar ARMOR AWN-501 119-Gallon Condensing Commercial Water Heater Review

The Lochinvar ARMOR AWN-501 119-Gallon Condensing Commercial Water Heater is a heavy-duty commercial-grade condensing gas water heater. The ARMOR line is Lochinvar's premium commercial condensing series.

Specs: 119 gallons stored, 500,000 BTU input, AFUE 96% (condensing), 480-gallon FHR, 3-year commercial tank warranty. Stainless steel heat exchanger. PVC condensing venting.

The combination of 119-gallon reservoir + 500K BTU condensing burner + stainless heat exchanger serves substantial commercial applications with continuous high demand. AFUE 96% is among the highest in the commercial gas water heater category.

About $7,500 unit, $11,000-$14,000 installed depending on commercial requirements. Right buyer: substantial commercial application requiring high-efficiency large-capacity gas water heater.

Full Specifications

Brand
Lochinvar
Model Number
AWN-501
Btu
500000
Venting
Direct Vent
Fuel Type
Natural Gas
Tank Type
Commercial
Condensing
1
Energy Factor
0.95
Warranty Years
5
Capacity Gallons
119

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