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  • Advanced Heating and Hot Water Systems.
  • Commercial Gas Fired Water Heater.
  • Flexible Front and Rear Connections.
  • Built to Last Longer.
HTP® Heavy Duty Commercial Gas Fired Water Heaters
Unit of Measure
Items HTP® Heavy Duty Commercial Gas Fired Water Heaters
CG250N65
HTP® Heavy Duty Commercial Gas Fired Water Heaters
HTP® Heavy Duty Commercial Gas Fired Water Heaters
CG300N65
HTP® Heavy Duty Commercial Gas Fired Water Heaters
HTP® Heavy Duty Commercial Gas Fired Water Heaters
CG125N73
HTP® Heavy Duty Commercial Gas Fired Water Heaters
HTP® Heavy Duty Commercial Gas Fired Water Heaters
CG150N73
HTP® Heavy Duty Commercial Gas Fired Water Heaters
HTP® Heavy Duty Commercial Gas Fired Water Heaters
CG199N73
HTP® Heavy Duty Commercial Gas Fired Water Heaters
Description N/A
  • Advanced Heating and Hot Water Systems.
  • Commercial Gas Fired Water Heater.
  • Flexible Front and Rear Connections.
  • Built to Last Longer.
Manufacturer N/A HTP®
Capacity N/A 65 gal N/A 65 gal N/A 73 gal N/A 73 gal N/A 73 gal
Input Power N/A 250000 BTU/hr N/A 300000 BTU/hr N/A 125000 BTU/hr N/A 150000 BTU/hr N/A 199000 BTU/hr
Recovery at 100 ºF Temperature Rise N/A 242.4 gal/h N/A 290.9 gal/h N/A 121.2 gal/h N/A 145.5 gal/h N/A 193.8 gal/h
Inlet/Outlet (NPT) N/A 1.5 in
Shipping Weight N/A 465 lb N/A 465 lb N/A 429 lb N/A 429 lb N/A 429 lb
Schematic N/A
Schematic Drawing for HTP® Heavy Duty Commercial Gas Fired Water Heaters
Dimension A N/A 15-3/4 in40 cm
Dimension B N/A 52-1/8 in132 cm N/A 52-1/8 in132 cm N/A 52-1/2 in133 cm N/A 52-1/2 in133 cm N/A 52-1/2 in133 cm
Dimension C N/A 64-3/8 in164 cm
Dimension D N/A 6-3/8 in16 cm
Dimension E1 N/A 25-1/4 in64 cm
Dimension E2 N/A 58-1/4 in148 cm
Dimension E3 N/A 25-1/4 in64 cm
Dimension E4 N/A 58-1/4 in148 cm
Dimension F N/A 70-7/8 in180 cm N/A 71-5/8 in182 cm N/A 69-1/4 in176 cm N/A 70-7/8 in180 cm N/A 70-7/8 in180 cm
Dimension G N/A 33 in84 cm
Dimension H N/A 7 in18 cm N/A 8 in20 cm N/A 5 in13 cm N/A 6 in15 cm N/A 6 in15 cm
Dimension I N/A 26-1/2 in67 cm
Type N/A Natural Gas
Features N/A
  • Blue Cobalt Glass-lined tank

  • Long lasting blue cobalt glass is fused to specially formulated steel at 1,600 ºF to provide the best coating available against corrosion. The tank is certified at a test pressure of 300 PSI and a working pressure of 150 PSI.
  • Multi-port, energy efficient burners

  • Quiet Burner! The burner tray slides out easily for quick inspection & easy maintenance.
  • Low profile automatic flue damper

  • Closes automatically when the demand for heat stops, reducing stand-by heat loss.
  • High density insulation.
  • Automatic temp control system

  • The thermostat is fully adjustable up to 180 ºF. It is equipped with an integrated energy cutoff (ECO) and high temperature cut-off switch to protect against overheating.
  • Factory installed T&P relief valve.
  • Spark to pilot ignition system.
  • Intelligent led diagnostic system

  • Designed to give a visual indication of the operational status of the water heater. This panel also identifies where to begin troubleshooting a non-functional water heater.
More Steel Where It Counts N/A Every commercial gas water heater endures constant day-to-day stress due to frequent changes in temperature. Critical stress points are located where tank components are welded - most notably at the flue tubes and where the tank bottom joins the tank. HTP® has made these stress points much more leak resistant thru design, extra thick steel and special welding techniques.

The largest steel collar used in the industry is welded from outside of the tank bottom and top, permitting stronger welding of the flue tubes. The tank bottom and top and the flue tubes are glass-lined separately with an industrial grade coating of a blue cobalt glass.

The refractory combustion chamber is insulated entirely with 3/4" of ceramic fiber. This feature permits better heat retention in the combustion chamber, translating into a higher heat exchange to the water.
Available Kits N/A High altitude kits available for units installed at altitudes over 7000 feet.
  1. Vent Pipe
  2. Flue Damper / Draft Hood Assembly
  3. Hot Water Outlet
  4. Cold Water Manual shut-off Valve
  5. Temperature & Pressure Relief Valve
  6. Expansion Tank
  7. Overflow Tube
  8. Cold Water Inlet
  9. Cleanout Cover Access Door
  10. Drain Valve
  11. Drain Pan
  12. Free-Flowing Floor Drain
  13. Union
  14. Burner Assembly
  15. Gas Valve
  16. Union
  17. Cap
  18. Drip Leg (Sediment Trap)
  19. Gas Supply Manual Shut-off Valve
  20. Electric Box
  21. Aquastat / High Limit Control
  22. Union
  23. Temperature Sensor
  24. Flue Damper Motor
  25. Flue Damper Support Leg
What's in the Box N/A
  • Low Profile Automatic Flue Damper
  • Intelligent LED Diagnostic System
  • T&P Relief Valve
  • Installation Manual
Standard Features N/A
  • High Density Insulation
  • Multi-Flue Design
  • Clean Out & Inspection Port
  • Multi-Port Efficient Burners with Slide Out Tray for Easy Inspection
  • Blue Cobalt Glass Lined
  • Type B Venting
  • 5-Year Limited Warranty if Registered Online
Optional Equipment N/A
  • Power vent and aluminum vent hood mounts on outside of wall. Rust-Free construction, condensate shield, heat shield, mounting hardware
Warranty N/A
  • 5-Year Limited Warranty.
Note N/A Models of 125,000 and 150,000 Btuh and their derated versions can also use a 1/2" gas connection.