Installation & Service Manual

Ratings (continued)

Copper-fin Specifications

Model Number

 

 

 

 

Vent Size

 

Input

Water

Water Connections

Gas Connections

Note: Change “N” to

MBH

Content Gallons

 

 

(Note 1)

 

 

 

 

“L” for L.P. gas models

 

 

 

 

 

 

 

 

 

CWN497

495

1.7

2"

1 1/4"

6"

 

 

 

 

 

 

CWN647

645

2.0

2"

1 1/4"

8"

 

 

 

 

 

 

CWN747

745

2.1

2"

1 1/4"

8"

 

 

 

 

 

 

CWN987

985

2.2

2 1/2"

2"

10"

 

 

 

 

 

 

CWN1257

1255

2.6

2 1/2"

2"

12"

 

 

 

 

 

 

CWN1437

1435

2.9

2 1/2"

2"

12"

 

 

 

 

 

 

CWN1797

1797

3.3

2 1/2"

2"

14"

 

 

 

 

 

 

CWN2067

2065

3.6

2 1/2"

2"

14"

 

 

 

 

 

 

NOTICE Maximum allowed working pressure is located on the rating plate.

Notes:

1.Copper-fins require special gas venting. Use only the vent materials and methods specified in the Installation and

Service Manual.

2. The Copper-fin is orificed for operation up to 2000 feet altitude. The appliance will be derated 4% per 1000 feet above 2000 feet elevation. Consult the factory for installations above 2000 feet elevation.

HIGH ALTITUDE LABEL

Figure B High altitude label location_water heater

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Lochinvar 497 - 2067 service manual Copper-fin Specifications

497 - 2067 specifications

Lochinvar 497 - 2067 is a highly efficient and versatile condensing boiler that is designed to meet the diverse heating needs of residential and commercial applications. Known for its impressive performance and advanced technology, the Lochinvar 497 - 2067 has garnered a reputation as a reliable choice among heating professionals.

One of the standout features of the Lochinvar 497 - 2067 is its impressive thermal efficiency. The boiler boasts an efficiency rating of up to 95% AFUE (Annual Fuel Utilization Efficiency), allowing users to significantly reduce their energy costs while minimizing environmental impact. This efficiency is facilitated by its innovative condensing technology, which captures and reuses heat from exhaust gases for optimal performance.

The Lochinvar 497 - 2067 is equipped with a robust stainless steel heat exchanger designed to handle high temperatures and ensure long-lasting performance. The heat exchanger’s design maximizes heat transfer, while its corrosion-resistant properties guarantee durability over time. This contributes to the boiler's overall longevity and serviceability, reducing the need for frequent replacements.

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In terms of safety, the Lochinvar 497 - 2067 incorporates several cutting-edge safety features, including a flame detection system and multiple safety shut-off devices. These safeguards help to ensure the safe operation of the boiler, providing peace of mind to users and heating professionals alike.

Another important characteristic is the compact design of the Lochinvar 497 - 2067, which allows for flexible installation in various settings, including tight spaces. Its lightweight structure further simplifies the installation process, making it a practical choice for contractors.

In summary, the Lochinvar 497 - 2067 is an exceptional high-efficiency condensing boiler that combines advanced technology, durability, and ease of use. With its impressive thermal efficiency, superior heat exchanger design, advanced control systems, and enhanced safety measures, it stands out as a top choice for those seeking reliable heating solutions. This boiler not only meets but exceeds modern demands for energy efficiency and performance, solidifying its position in the market.