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All Categories > Commercial Water Heaters > NON NOx Commercial Water Heaters > A.O. Smith® NON NOx Commercial Water Heaters > Item # BTF-80  

Item # BTF-80, Conservationist® Power Vent Commercial Gas Water Heaters

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Conservationist® - Power Vent Single Flue Model.

Unit of Measure: Imperial Metric Both

Specifications  · Maximum Recovery (ºF)  · Maximum Recovery (ºC)  · Dimensions  · Features  · Testing and Certifications  · Warranty  · Note



A. O. Smith®

Input Power

80000 BTU/hr

Approximate Capacity

74 U.S. gal


Liquid Propane Gas

Thermal Efficiency

80 %

Pipe Material


Industry Standards

ANSI Z-21.10.3 - CSA 4.3
ASHRAE/IESNA 90.1-2004

CSA® Certified

UL® Listed

Maximum Recovery (ºF)

Recovery at 30 ºF Temperature Rise

259 gal/h

Recovery at 40 ºF Temperature Rise

194 gal/h

Recovery at 50 ºF Temperature Rise

155 gal/h

Recovery at 60 ºF Temperature Rise

129 gal/h

Recovery at 70 ºF Temperature Rise

111 gal/h

Recovery at 80 ºF Temperature Rise

97 gal/h

Recovery at 90 ºF Temperature Rise

86 gal/h

Recovery at 100 ºF Temperature Rise

78 gal/h

Recovery at 110 ºF Temperature Rise

71 gal/h

Recovery at 120 ºF Temperature Rise

65 gal/h

Recovery at 130 ºF Temperature Rise

60 gal/h

Recovery at 140 ºF Temperature Rise

55 gal/h

Maximum Recovery (ºC)

Recovery at 17 ºC Temperature Rise

979 L/h

Recovery at 22 ºC Temperature Rise

734 L/h

Recovery at 28 ºC Temperature Rise

587 L/h

Recovery at 33 ºC Temperature Rise

489 L/h

Recovery at 39 ºC Temperature Rise

419 L/h

Recovery at 44 ºC Temperature Rise

367 L/h

Recovery at 50 ºC Temperature Rise

326 L/h

Recovery at 56 ºC Temperature Rise

294 L/h

Recovery at 61 ºC Temperature Rise

267 L/h

Recovery at 67 ºC Temperature Rise

245 L/h

Recovery at 72 ºC Temperature Rise

226 L/h

Recovery at 78 ºC Temperature Rise

210 L/h



Dimension A

68 in

Dimension B

57-1/4 in

Dimension C

29-5/8 in

Dimension D

25-3/8 in

Dimension E

15 in

Dimension F

4 in

Dimension G

15-5/8 in

Dimension H

16 in

Dimension J

2 in

Dimension K

1 in. NPT

Dimension L

1/2 in. NPT

Dimension M

11-15/16 in

CFC-Free Foam Insulation - Minimizes radiant heat Loss.

Dip Tube - Carries inlet water deep into tank.

Hot Surface Ignition - Has a solid state ignition surface that does not flutter or blow out. Provides increased reliability and efficiency over spark ignition systems. Eliminates the pilot and saves energy.

Intelli-Vent Control - Provides temperature control and LED diagnostics.

Glass lined Tank - Glass specifically developed by A. O. Smith® for water heaters is permanently fused to steel at 1,600° F, providing years of corrosion protection and dependable use.

Anode - Tank-mounted, screw-in replaceable anode for longer tank life.

High Input - 80,000 BTU input assures plenty of hot water is available by providing faster recovery rates and higher first hour draws.

Burner - High input, multiport burner for improved combustion efficiency and low NOx.

Turbo Shot™ Combustion System - Air is precisely drawn through the combustion control port and exhausted through plastic pipe. Controlling the airflow through the heater enhances and regulates the combustion process. In standby mode, the combustion control port restricts air circulation through the heater.

Powered Venting - Provides more venting flexibility and savings. A new quiet blower allows exhaust venting through the roof or sidewall with plastic pipe such as PVC, CPVC, and ABS. Allowable vent lengths of up to 100 equivalent feet make installation easy in any situation. BTF-80 is a Category 3 (positive pressure non-condensing) appliance.

Built-In Condensate Fitting - A condensate management coupling that attaches vent pipe to the blower and drain hose are included.

Installed Temperature & Pressure Relief Valve - Factory installed and matched to the heater. (Specify if your local code requires a special T & P).

Testing and Certifications
Approval Ratings and Certification

All models comply with: ANSI Z21.10.3/CSA 4.3 and ASHRAE/IES 90.1 - 2004

Meets Texas and other low NOx areas requiring 40 ng/j

All models are approved for use in combined appliance applications

  • 3-Year Limited Tank Warranty.

Recovery capacity based on 80% thermal efficiency.

Available in LP (Propane) gas.

Can be installed up to 7,700 feet (2,347 m) without alteration. High altitude orifice must be installed for operation above 7,700 Ft.


·  Standards for Conservationist® Power Vent Commercial Gas Water Heaters


Brochure for Conservationist® Power Vent Commercial Gas Water Heaters
(PDF, 534KB)