Specification Sheet

ManualsBrandsAO Smith ManualsHot Water TanksAO Smith 100 Gallon Commercial Natural Gas Water Heater with 250,000 BTU Input from the Cyclone Series

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

Commercial Gas

Water Heaters

Page 6 of 6

AOSCG10210

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

SPECIFICATION

(Natural or Propane) gas water heater(s) shall be A. O. Smith Cyclone Mxi model # _________ or equal, minimum 95% thermal efﬁciency, a storage

capacity of ______ gallons, an input rating of __________ BTUs per hour, a recovery rating of ___________ gallons per hour (gph) at 100°F rise and a

maximum hydrostatic working pressure of 160 psi. Water heater(s) shall: 1. Modulating gas burner that automatically adjusts the input based on demand.

2. Powered anodes that are non sacriﬁcial and maintenance free. 3. Have seamless glass-lined steel tank construction, with glass lining applied to all water-

side surfaces after the tank has been assembled and welded; 4. Meets the thermal efﬁciency and/or standby loss requirements of the U. S. Department of

Energy and current edition of ASHRAE/IES 90.1; 5. Have foam insulation and a CSA Certiﬁed and ASME rated T&P relief valve; 6. Have a down-ﬁred power

burner designed for precise mixing of air and gas for optimum efﬁciency, requiring no special calibration on start-up; 7. Be approved for 0˝ clearance to

combustibles.

The control shall be an integrated solid-state temperature and ignition control device with integral diagnostics, graphic user interface, fault history display,

and shall have digital temperature readout. 1. All models are design certiﬁed by Underwriters Laboratories (UL), Inc., according to ANSI Z21.10.3 - CSA

4.3 standards governing storage type water heaters; 2. Meet the thermal efﬁciency and standby loss requirements of the U. S. Department of Energy and

current edition ASHRAE/IES 90.1. Complies with SCAQMD Rule 1146.2 and other air quality management districts with similar requirements for low NOx

emissions.

120K-250K BTU Input: For Standard Power Venting: Water heater(s) shall be suitable for power venting using a (3˝ or 4˝ ) _______ diameter PVC pipe

for a total distance of (50 ft or 120 ft.) ______ equivalent feet of vent piping. For Power Direct Venting: Water heater(s) shall be suitable for power direct

venting using a (3˝ or 4˝ ) _______ diameter PVC pipe for a total distance of (50 ft or 120 ft.) ______ equivalent feet of vent piping and (50 ft. or 120

ft.)______ equivalent feet of intake air piping.

300K - 500K BTU Input: For Standard Power Venting: Water heater(s) shall be suitable for standard power venting using a (4˝ or 6˝ )______ diameter PVC

pipe for a total distance of (70 ft. or 120 ft.)_____ equivalent feet of vent piping. For Power Direct Venting: Water heater(s) shall be suitable for power

direct venting using a (4˝ or 6˝ ) _______ diameter PVC pipe for a total distance of (70 ft or 120 ft.) ______ equivalent feet of vent piping and (70 ft. or

120 ft.)______ equivalent feet of intake air piping.

Operation of the water heater(s) in a closed system where thermal expansion has not been compensated for (with a properly sized thermal expansion tank)

will void the warranty.

Water heater should incorporate the iCOMM

™

system for remote monitoring, leak detection and fault alert.

OPTIONAL KITS

OPTIONAL CONCENTRIC VENT KITS

• BTH-120 - 250 vent kit p/n 100111100

• BTH-300 - 500 vent kit p/n 100113124

OPTIONAL CONDENSATE

NEUTRALIZATION KITS

• BTH-120-199 kit p/n 100112380

• BTH-250-500 kit p/n 100112381

OPTIONAL LOW PROFILE

TERMINATION VENT KITS

• 3˝ Flush Mount Vent Kit p/n 100187887

• 4˝ Flush Mount Vent Kit p/n 100187888

• 6˝ Flush Mount Vent Kit p/n 100187889

Kit Description

100227396 PVC Common Vent Kit, 120 – 250 Models

100223775 PVC Common Vent Kit, 300 – 500 Models

100227395 Polypropylene Common Vent Kit, 120 -250 Models

100223774 Polypropylene Common Vent Kit, 300 - 500 Models

Installations must comply with all national, state and local codes.

See kit instructions and corresponding water heater manual for detailed installation instructions and additional information.

50 Feet maximum equivalent length of straight pipe common vent and elbows

NOTE: Order 1 kit for each water heater.

See the Common Vent Kit manual or spec sheet for detailed information.

COMMON VENTING KITS FOR UP TO 3 WATER HEATERS

(ONE KIT PER WATER HEATER REQUIRED)