What are the Natural Gas Fuel Pressure and BTU Requirements for Tri-Fuel Generators?Updated a month ago
Natural Gas Requirements for DuroMax Tri-Fuel Generators
DuroMax Tri-Fuel generators can operate on Natural Gas, Propane, or Gasoline. When using Natural Gas, it is important that the gas supply meets the proper pressure and BTU requirements for the generator to operate correctly.
Required Natural Gas Pressure
All DuroMax Tri-Fuel generators require natural gas inlet pressure between:
6.0 – 9.0 inches of water column (WC)
This pressure range must be maintained across all load levels for the generator to start and run properly.
If the pressure falls below this range, the generator may:
Fail to start
Run roughly
Stall under load
Produce reduced power output
Natural Gas BTU Requirements by Generator Model
Your natural gas supply must be able to deliver sufficient BTU capacity to operate the generator at full load.
| Generator Model | Required BTU (Full Load) |
|---|---|
| XP7000IHT | 121,000 BTU |
| XP9500IHT | 176,000 BTU |
| XP11000IHT | 204,000 BTU |
| XP13000HXT | 225,000 BTU |
| XP15000HXT / XP15000HXT+ | 278,000 BTU |
| XP16000iHT | 295,000 BTU |
| XP28000iHT | 327,000 BTU |
If the gas supply cannot provide the required BTU capacity, the generator may not operate properly or may shut down under heavy loads.
Professional Installation Recommendation
We strongly recommend that a certified natural gas plumber perform the installation when connecting a Tri-Fuel generator to a natural gas supply.
A licensed professional can ensure:
Proper gas pressure
Correct pipe sizing
Safe installation
Compliance with local codes
Common Questions
Why won’t my generator start on natural gas?
The most common causes are:
Insufficient gas pressure
Inadequate BTU supply
Incorrect gas line sizing
Can I connect my generator directly to my home’s natural gas line?
Yes, but the gas supply must meet the required pressure and BTU specifications listed above.
What happens if my gas supply cannot provide enough BTUs?
The generator may:
Run poorly
Shut down under load
Produce reduced power output
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