Brochure
41
XWH Gas Circulating
Water Heaters
A unique multi-burner design
COMMERCIAL
Direct Vent Flexibility
n
Direct vent up to 100 equivalent feet of pipe
n
Sidewall or vertical
n
Lower installation cost with approved CPVC / PVC venting material – uses
CPVC for first 10 feet and PVC thereafter
n
Approved for use with UL approved AL29-4C
®
stainless steel venting materials
Factory Start-Up Included
n
Required for activating warranty and assuring maximum operating
performance. Contact your local sales representative or Authorized
Start-Up Agent to arrange a FREE certified start-up.
Meets the Thermal Efficiency Requirements of the U.S.
Department of Energy and Current Edition ASHRAE/IESNA 90.1
Up to 96% Thermal Efficiency (AHRI Certified)
5-Year Heat
Exchanger
Warranty
n
For complete information, consult written warranty or contact A. O. Smith
RECOVERY CAPACITIES
MODELS
INPUT
RATING
(BTU/HR)
WATER
FLOW
TEMPERATURE RISE - °F (°C)
40 60 70 80 90 100 120 140
(22) (33) (39) (44) (50) (56) (67) (78)
XWH-1000 920,000
GPH 2,662 1,775 1,521 1,331 1,183 1,065 887 761
LPH 10,078 6,719 5,759 5,039 4,479 4,031 3,359 2,880
XWH-1300 1,300,000
GPH 3,742 2,495 2,139 1,871 1,663 1,497 1,247 1,069
LPH 14,167 9,444 8,095 7,083 6,296 5,667 4,722 4,048
XWH-1700 1,700,000
GPH 4,904 3,269 2,802 2,452 2,180 1,962 1,635 1,401
LPH 18,565 12,376 10,608 9,282 8,251 7,426 6,188 5,304
XWH-2000 1,999,900
GPH 5,794 3,862 3,311 2,897 2,575 2,317 1,931 1,655
LPH 21,931 14,621 12,532 10,966 9,747 8,773 7,310 6,266
XWH-2600 2,600,000
GPH 7,501 5,000 4,286 3,750 3,334 3,000 2,500 2,143
LPH 28,393 18,929 16,225 14,196 12,619 11,357 9,464 8,112
XWH-3400 3,400,000
GPH 9,891 6,594 5,652 4,945 4,396 3,956 3,297 2,826
LPH 37,441 24,961 21,395 18,721 16,641 14,976 12,480 10,697
Other XP Features:
n CSA certified to the ANSI Z21.10.3-
CSA 4.3 water heater standard
n Honeywell sola control with color
touch screen LCD display
• Inlet / outlet and remote tank
temperature display
• Onboard Modbus
communications
• Logs faults, run time, cycles
• Redundant flow and low water
protection - factory installed
LWCO and flow switch(s)
• Multi-burner sequencing models
2 million btuh and up have 4
burners; models 1.7 million btuh
and down have 2 burners
• Redundant ignition controls –
should one burner fail remaining
burners continue to heat
• Alarm buzzer
• Remote tank temperature
sensor included
n 20:1 turndown ratio on models 2
million btuh and up, 10:1 turndown
ratio on models 1.7 million btuh
and down
n Horizontal and vertical direct and
sidewall vent options up to 100
equivalent feet of piping
n Approved for CPVC / PVC plastic
vent materials
n Meets ASME CSD-1 / GE gap codes –
factory standard
n Direct spark ignition
n Factory-installed electrical
disconnect
n All bronze factory-mounted
pump(s)
n 316L stainless steel heat exchanger
n ASME 160# working pressure
n ASME rated pressure relief valve –
125 PSI
XP Options:
n ASME HLW stamped heat
exchanger(s)
n Condensate neutralization kit
n Vent termination kits
n Skid mounted systems
AOSCA80000 R July 2014 Commercial Catalog_108078_ResidentialFul#7A635.qxd 7/16/14 4:29 PM Page 41