Skip Content


Commercial Gas Water Heater, 100.0 gal. Tank Capacity, Natural Gas, 270,000 BtuH - Water Heaters

  • Item # 6UT21
  • My Part #
  • Mfr. Model # G100-270A
  • Catalog Page # 2767
  • UNSPSC # 40101826
Water Heater,100 gal.,270000 BtuH close

Using 360° Viewing:

  1. Rotate: Use top-to-bottom, side-to-side by use of mouse arrow.
  2. Zoom In: Double click on image.
  3. Zoom Out/Reset: Put photo at full zoom & then double click.

CAD Downloads

Web Price $7,480.00 / each
Activate Now

to save with

Select AdvantageSM

This item requires special shipping, additional charges may apply.

Please sign in or register to access lists

Please sign in or register to access Quote

Get Free Standard Shipping
Jump to:
  • Shipping Weight 776.0 lbs.
Country of Origin USA Country of Origin is subject to change.
Note: Product availability is real-time updated and adjusted continuously. The product will be reserved for you when you complete your order. More

Product Details

Multiflue tank has both top and front-side inlet/outlet water connections. Multiple magnesium anode rods resist corrosion. Tank features fiberglass insulation. Temperature range: 100° to 180°F. Factory-installed T&P valves are AGA/ASME rated.

View More

Technical Specs

  • Item Commercial Gas Water Heater
  • Commercial / Residential Commercial
  • Tank Capacity - Plumbing 100.0 gal.
  • Fuel Type - Water Heaters Natural Gas
  • BtuH - Water Heaters 270,000
  • Overall Height - Water Heaters 73-7/8"
  • Jacket Dia. 30-1/4"
  • First Hour Recovery - Water Heaters 332 gph
  • Manufacturers Warranty Length Limited 3 yr. Tank and 1 yr. Parts
  • Draft Hood Size 8"
  • Recovery @ 90 F Rise 291.0 gph
  • Low Nox Burner No
  • Item - Water Heaters Gas Water Heater
  • Voltage 120VAC
  • Max. Pressure 160 psi
  • Temp. Range 100 Degrees to 180 Degrees F
  • Vent Type Standard
  • Ignition Type Spark to Pilot
  • Gas Connection 3/4"
  • Top Water Connection Size 1-1/2"
  • Height to Top of Heater 66-1/8"
  • Height to Cold Side Connection 23-1/4"
  • Height to Hot Side Connection 57-1/2"
  • Height to Gas Connection 7"
  • Recovery @ 50 F Rise 524 gph
  • Recovery @ 70 F Rise 374 gph
  • Recovery @ 100 F Rise 262 gph
  • Recovery @ 110 F Rise 238 gph
  • Recovery @ 120 F Rise 218 gph
  • Recovery @ 130 F Rise 201 gph
  • Recovery @ 140 F Rise 187 gph
  • Side Water Connection Size 2"
  • Top Nipple Spacing 23"
  • Features Integrated, Self Diagnostic System Control, Thermostat And Gas Valve
  • Includes Brass Drain Valve and Factory Installed T and P Valve
  • Standards Meets or Exceeds National Appliance Energy Conservation Act and ASHRAE Requirements
How can we improve our Technical Specifications?

Compliance and Restrictions

  • This product has been certified by a third party to be compliant with the “Safe Drinking Water Act” requirements for low lead in potable (human consumption - drinking and cooking) and non-potable water applications (non-human consumption).

  • This item has been restricted from sale in the following states: TX.

  • This item is restricted for international sale.

Replacement Parts

Alternate Products

Alternate Products may not be identical in style or function to original selection. Please compare below for more information.

Alternate Search Terms

Related Products

Customer Reviews

Product Reviews Disclaimer:
Grainger is neither responsible for, nor does it endorse, the content of any product review or statement posted. Any statements posted constitute the statements of the poster and are not the statements of Grainger. The statements posted by Grainger employees with the Grainger employee badge represent the views of such employees and are not the statements of Grainger. Grainger makes no representations as to the appropriateness, accuracy, completeness, correctness, currentness, suitability, or validity of any product review or statements posted, including those posted by employees with the Grainger employee badge, and is not liable for any losses, injuries or damages which may result from any such product review or statements. Use of any linked web site provided in a product review or post is at the user's own risk.