ProMax® Atmospheric Vent Spec Sheet

©2015 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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AOSRG47000
INTELLIGENT CONTROL LOGIC*
The internal microprocessor provides
enhanced operating parameters and tighter
differentials for precise sensing and faster
heating response to optimize performance.
Uses a thermopile to generate the power
needed to operate the electronic gas control
without requiring an external power source.
The electronic gas control incorporates an
LED status indicator that monitors system
operation and service diagnostics.
*Not available on 60,000 BTU input models
(GCRX-50 and GCRX-55).
GREEN CHOICE
®
GAS BURNER
Patented eco-friendly burner design reduces
NOx emissions by up to 33% and complies
with Low-NOx emission requirements of less
than 40 ng/J.
DYNACLEAN
DIFFUSER DIP TUBE
Reduces lime and sediment buildup and
maximizes hot water output. Made from
long-lasting PEX cross-linked polymer.
COREGARD
ANODE 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.
PUSH-BUTTON PIEZO IGNITOR
Makes lighting the pilot fast and easy with
one-hand push-button spark ignition.
HEAT TRAP NIPPLES
Factory-installed for faster installation.
BLUE DIAMOND
®
GLASS COATING
Provides superior corrosion resistance
compared to industry standard glass lining.
ENHANCED-FLOW BRASS DRAIN
VALVE
Our residential water heaters have a solid
brass, tamper resistant, enhanced-flow, ball
type, drain valve.
Uses a standard female hose fitting that
allows for fast and easy draining during
maintenance.
Designed for easy operation, this valve
includes an integral screwdriver slot that
features a 1/4 turn (open/close) radius, which
not only permits full straight-through water
flow but also a quick and positive shut off.
CODE COMPLIANCE
Meets UBC, CEC and HUD National Codes.
Meets the thermal efficiency and standby
loss requirements of the U. S. Department of
Energy and current edition of ASHRAE/IENSA
90.1.
Complies with the Federal Energy
Conservation Standards effective April 16,
2015, in accordance with the Energy Policy
and Conservation Act, (EPCA), as amended.
HIGH ENERGY FACTORS
Eco-Friendly non-CFC foam insulation,
external heat traps and specially designed
combustion chamber combine to produce a
high Energy Factor for maximum savings on
operating costs.
CSA CERTIFIED AND ASME RATED T&P
RELIEF VALVE
MAXIMUM HYDROSTATIC WORKING
PRESSURE 150 PSI
DESIGN-CERTIFIED BY CSA
INTERNATIONAL
Certified at 300 PSI test pressure and 150
PSI working pressure. Listed according to
ANSI Z21.10.1-CSA 4.1 standards governing
storage tank-type gas water heaters.
6-YEAR LIMITED TANK AND PARTS
WARRANTY
For complete information, consult written
warranty or go to hotwater.com
ATMOSPHERIC VENT
Residential Gas
Water Heaters

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