AO Smith BTR400A

BTR-400A Commercial Tank Type Water Heater Nat Gas 100 Gal Master-Fit 390,000 BTU Input

Labor Day Sale


View and share related images
AO Smith Products
Model #:

AO Smith BTR400A

AO Smith BTR-400A Commercial Tank Type Water Heater Nat Gas 100 Gal Master-Fit 390,000 BTU Input
Rating: (Write a Review)
Availability: Available [Details]


How Will My Product(s) Be Delivered?

When purchasing a large appliance from AppliancesConnection, a representative will contact you 48 hours prior to arriving to your location to schedule a delivery date and a 4 hour time window. Upon delivery, your product will be unloaded and ready for you to open and inspect. If you have chosen White Glove service, the item will be placed in your room of choice and the debris will be removed.

Learn more about our shipping policy.

MSRP: $21,318.00
Shipping: FREE
Today's Price: $9,899.00
(Why don't we show the price?)


Condition:Brand New Factory Sealed With 1 Year USA Warranty
For installation promos & shipping promos.

Free Scheduled Delivery
Delivery will be scheduled when
item reaches your local distribution
center. Signature will be required.

Product Promotion

0% Easy Financing! No Payments, No interest for 6 Months

Payment Options Why Buy From Us

AO Smith Products
Quick Specs:
Brand: AO Smith
UPC: 671657957247
Stock Id: SID255877
Type: Water Heaters
Fuel Type: Natural Gas
Width: 30.25"
Height: 75.5"
Technical Details
Weight: 874 Lbs
Installation: Indoor
Warranty: 3 Yr Limited Tank
Commercial: Yes
BTU Input: 390,000
Vent Type: Type B
Vent Size: 8"
Gas Connection: 1-1/2"
Gallon capacity: 100

ProMax is an economical water heater designed for households that need an exceptional performer.


  • Commercial tank type water heater
  • Meets or exceeds the thermal efficiency and/or standby loss requirements of the U.S. department of energy and current edition of ASHRAE/IESNA 90.1
  • Electronic ignition
  • CSA certified and ASME rated T and P relief valve
  • Hand hole cleanout
  • Official powered flue damper
  • Eliminator self-cleaning feature
  • ASME construction standard
  • Recovery cap. 100°F Rise GPH: 378
  • Gallon capacity: 100
  • Input BTU/HR : 390,000
  • Warranty: 3 Year limited
  • Overall dimension: 75.5" H x 30.25" W x 30.25" D
  • Vent size: 8
  • Made in USA


  • Installation: Indoor
  • Vent Type: Type B
  • Fuel Type: Natural Gas
  • Type: Water Heaters
  • Commercial: Yes
  • Weight: 874 Lbs
  • Height: 75.5"
  • Width: 30.25"
  • Depth" 30.25"
  • Gallon capacity: 100
  • BTU Input: 390,000
  • Vent size: 8"
  • Gas Connection: 1-1/2"
  • Warranty: 3 Yr Limited Tank

AO Smith BTR400A Reviews & Ratings

5 Star:
0 Reviews
4 Star:
0 Reviews
3 Star:
0 Reviews
2 Star:
0 Reviews
1 Star:
0 Reviews
Share your thoughts with other customers:

Shipping Methods & Details

  • Please enter your shipping ZIP Code to get available shipping methods and cost:

You will need Adobe Acrobat Reader to view and print pdf files.