Commercial Products

 Applies to units sold after 7.1.08

  • Indoor and Outdoor Models Available
  • Available in Natural Gas and LP Models
  • 5-Year Limited Warranty on Heat Exchanger
  • 5-Year Limited Warranty on Parts
  • 1-Year Limited Service Warranty 
  • Continuous hot water
  • Energy saving design
  • Compact, space saving design
  • Intelligent electronic controls and sensors
  • Self diagnostic program
  • Digital display shows temperature setting and maintenance codes
  • Exclusive sensing burner technology
  • Exclusive film wrap overheat limiter
  • Built-in electric blower
  • Indoor units use Category III stainless steel vent
  • Indoor models supplied with a 120 Volt power cord
  • Low NOx emissions meet SCAQMD rule 1146 requirements
  • A remote control thermostat is included with all GT Series models (100 F - 140 F setpoint range) Requires 18 AWG, 2 conductor thermostat wire for remote control connection. Wire not included.
  • Optional additional remote controls are available.
  • Commercial temperatures up to 180 F.

Spec Sheets
Commercial Indoor and Outdoor

Manuals
GT 199 Indoor and Outdoor
GT 199 Commercial Direct Vent

Warranty
If you purchased your tankless water heater before 7.1.08,
click here.

If your tankless water heater was shipped to the distributor after 7.1.08, click here.

If you have any questions regarding your tankless water heater's warranty, please contact customer service at 800-432-8373

Brochures
Tankless Commercial Brochure

Accessories
Available Accessories

Accessory Manuals
GT 199 Manifold Instructions
GT-199X Recess Box
GT-199 Pipe Cover
EZ-Link Instructions
Direct Vent Sweet Termination
*If the water heater is installed anywhere other than a single family dwelling, such as a commercial application, or in any system in which the water is recirculated, the applicable warranty periods will be limited to three (3) years.