A.O. Smith GPNH-40, GPNH-50 User Manual

COMMERCIAL-GRADE

RESIDENTIAL GAS WATER HEATERS

PROLINE® XE HIGH EFFICIENCY NON-CONDENSING
ULTRA-LOW NOx POWER VENT

COMMERCIAL-GRADE RESIDENTIAL

The ProLine® XE Ultra-Low NOx power vent water heaters utilize an innovative burner
system, a combination of radiant heat and excess air to comply with the South Coast Air
Quality Management District and other California Air Quality Management Districts with
similar requirements of less than 10 ng/J for ultra-low NOx emissions. The 0.68 Energy
Factor qualifies these models for ENERGY STAR®.

POWER VENTING MADE SIMPLE

• Thru-the-Wall or Thru-the-Roof power
venting using either 2” or 3” PVC. ABS or
CPVC vent pipe.

INTELLI-VENT

• Advanced electronics for more precise control
of water temperature and easy to understand
system diagnostics.

™*

GAS CONTROL

QUIET AND EFFICIENT BLOWER

• Factory-installed 6-foot power cord with
standard 3-prong male connector provided.
Electrical requirements; 110/120 VAC power
source less than 5 amp draw.

DURABLE, ULTRA-LOW NOX
BURNER CONSTRUCTION

• Components of the burner system are
made of a strong inconel alloy and stainless
steel that is designed to withstand high
temperature applications. All burner
components have undergone rigorous
reliability testing to ensure long life.

COMBINATION THERMOSTAT/ECO

• Utilizes an intermittent ignition gas valve (no
standing pilot) with thermistor temperature
sensor and built-in high temperature cut off.

DYNACLEAN™ DIP TUBE

• Helps reduce lime and sediment buildup,
maximizes hot water output . Made from
long-lasting PEX cross-linked polymer.

COREGARD’” ANODE ROD

• Exclusive aluminum anode has a stainless
steel core, protects tank against corrosion
longer versus standard steel anodes.

FVIR COMPLIANT

• Equipped with a flame arrestor that provides
smooth ignition and ensures that in the
event of accidental exposure to flammable
vapors, that vapors are safely combusted
inside the sealed chamber.

ENERGY STAR® QUALIFIED

• Meets September 1, 2010 tier II ENERGY

®

STAR

requirements and is eligible for most
utility rebate programs based on Energy
Factor (EF) ratings.

CODE COMPLIANCE

• Design Certified by CSA. Meets CEC codes.
Meets the Federal Energy Efficiency standards
effective January 20, 2004, according to the
National Appliance Energy

• Conservation Act (NAECA) of 1992 and
meets the thermal efficiency and standby
loss requirements of the U.S. Department of
Energy and current edition of ASHRAE/IES

90.1.

• All models are certified at 300 psi test
pressure and 150 psi working pressure.

6-YEAR LIMITED TANK & PARTS
WARRANTY

• For complete information, consult written
warranty

*Intelli-Vent™ is a registered trademark of Emerson Electric
Company

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

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

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AOSRG45810

COMMERCIAL-GRADE

RESIDENTIAL GAS WATER HEATERS

Model

Number

GPNH-40 40 69 0.68 42.6 42,000 20 66-7/8 58-5/8 51-1/2 12-1/4 2 or 3 170

GPNH-50 50 81 0.68 42.6 42,000 22 66-8/8 57-7/16 51 12-1/4 2 or 3 207

Dimensions and specifications subject to change without notice in accordance with our policy of continuous product improvement.
All Dimensions shown in inches.
Top inlet and outlet are on 8” centers.
Operates on Natural Gas only.

Gallon

Capacity

First Hour

Rating Gallon

Per Hour

Energy

Factor

Recovery @

90°F Rise

Gallon Per

Hour

BTU Input

Gallon Per

Hour

A B C D E

Dimensions in Inches

Draft
Hood

Approx.

Shipping

Weight (lbs)

BLOWER

40-GAL. = 25"
50-GAL. = 27"

EXHAUST
OUTLET

E

For technical information call 800-527-1953. A. O. Smith Corporation reserves the right to make product changes or improvements without prior notice.

www.hotwater.com | 800-527-1953 Toll-Free USA

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AOSRG45810