A.O. Smith GCN-75, GCN-100 User Manual

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A.O. Smith GCN-75, GCN-100 User Manual

COMMERCIAL-GRADE

RESIDENTIAL GAS WATER HEATERS

PROLINE® ULTRA-LOW NOx HIGH RECOVERY

COMMERCIAL-GRADE RESIDENTIAL

CODE COMPLIANCE

The Ultra-Low NOx atmospheric vent residential gas water heater meets the thermal efficiency and standby loss requirements of the U. S. Department of Energy and Current Edition ASHRAE/IES 90.1.

FULLY AUTOMATIC CONTROLS WITH SAFETY SHUTOFF

Accurate, dependable control system requires no electric connections. Fixed automatic

gas shutoff device for added safety. Not recommended for 180°F sanitizing.

HEAVY GAUGE STEEL JACKET

Finished with baked enamel over bonderized undercoat.

GLASSLINED TANK

• Maximizes tank life.

FOAM INSULATION

• Saves fuel, helps reduce standby heat loss.

ULTRA-LOW NOX EMISSIONS

Complies with SCAQMD Rule 1146.2 and other Air Quality Management Districts with similar requirements of 14 ng/j or 20 ppm.

EASY-TO-INSTALL

Completely factory-assembled. Only gas, water and vent connections need to be made. All connections are located in front and top of heaters for ease-of-installation and service.

DRAFT HOOD

Low profile draft hood furnished as standard equipment.

COREGARDANODE ROD

Our anode rods have a stainless steel core that extends the life of the anode rod allowing superior tank protection far longer than standard anode rods.

MAXIMUM WORKING PRESSURE

• 150 psi.

MAXIMUM GAS INLET PRESSURE

• 14” W.C.

FEATURES

Anodic protection

Equipped with gas pressure regulator

Integral automatic gas shutoff system prevents excessive water temperature

CSA certified and ASME rated T&P relief valve

The GCN-75 comes standard with side loop fittings for use with hydronic heating applications.

6-YEAR LIMITED TANK AND PARTS WARRANTY

For complete warranty information, consult written warranty or contact A. O. Smith.

© February 2017 A. O. Smith Corporation. All rights reserved.

 

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www.hotwater.com | 800-527-1953 Toll-Free USA | A. O. Smith Corporation | 500 Tennessee Waltz Parkway | Ashland City, TN 37015

 

AOSRG45820

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