$4,389.30and up
Generac Guardian 14000 W 14000 W 240 V Natural Gas or Propane Home Standby Home Standby Generator 72Ace Hardware & 1 more$1,866.92
Generac PowerPact 7500-Watt Dual Fuel (Liquid Propane/Natural Gas) 50-Amp Home Standby Generator (Automatic Transfer Switch) in White | 69981Lowe's$4,290.00
KOHLER RCA Dual Fuel (Liquid Propane/Natural Gas) 100-Amp Home Standby Generator in Gray | 14RCA-QS6Lowe's$293.00
Hutch Mountain Generator Propane Conversion Kit EU3000is- Trifuel Generator Conversion Kit for Propane, Gasoline and Natural Gas, Portable Generator Conversion Kit Compatible with Honda EU3000isAmazonSAVE $13.83
$36.16$49.99
Propane, Gasoline, Natural Gas Generator Conversion Kit For Champion 3000 4000 Watts Gas GeneratorAmazonSAVE $51.98
$298.01$349.99
LWHwareHT Tri-fuel Propane Natural Gas Generator Conversion 9500 Inverter Green, Replacement for Predator OEMAmazon$799.00
Champion Power Equipment CO Shield Electric Start 4000-Watt Tri Fuel (Gasoline/Propane/Natural Gas) Portable Generator | 201223Lowe's$3,839.00
Cummins Connect 13000-Watt Dual Fuel (Liquid Propane/Natural Gas) Home Standby Generator in White | RS13ALowe'sSAVE $64.06
$599.99$664.05
4,000-Watt/3,500-Watt Recoil Start Tri Fuel Portable Generator, Runs on Natural Gas, Gasoline, or PropaneThe Home Depot$159.99
Low Pressure Propane/Natural Gas Conversion Kit for WEN 56380I Inverter GeneratorAmazon$2,399.00
Tri-Fuel Inverter Generator Rated 8500-Watt Peak 10500-Watt Propane 8000 Rated Peak 9500 and Natural GasThe Home Depot$129.99
Natural Gas Conversion Kit fits Duromax XP5500HX GeneratorAmazon$129.99
Natural Gas Conversion Kit fits Champion 100592 GeneratorAmazon$20.00
Natural Gas (NG) Expansion Burner for the CAP Carbon Dioxide Generators.Amazon$24.63
Natural Gas Splitter, 3/8 Inch Y Type Quick Connect Adapter Suitable for Grills Generators Patio HeatersAmazon$28.00
Natural Gas Pressure Regulator with 3/4" FNPT Thread, 1/2 PSIG Inlet Pressure and 4" &10" WC Outlet For Grill, NG Regulator for Standby Generator, Construction Heaters, Stove Range Pipe LinesAmazon$159.99
Propane Natural Gas Generator Conversion XT8000 XT8000E Alternative FuelAmazon$159.99
Propane Natural Gas Conversion Generator Champion 41532 Fits Briggs 30471 Alt Fuel LPAmazon$199.99
Tri-Fuel Propane Natural Gas Generator Conversion EM7000IS Alt Fuel GreenAmazon$279.99
Impco Low Psi Propane Natural Gas Generator Conversion Gx620 Eb11000 Gx EBAmazon$199.99
Impco Low Pressure Propane Natural Gas Generator Onan 5000 6500 Watt 6.5 EmeraldAmazonSAVE $54.95
$1,099.00$1,153.95
Champion Power Equipment Tri Fuel Portable Natural Gas Generator with CO Shield Electric Start 8000WattAcme Tools$375.95
Titan Controls 4-Burner Carbon Dioxide (CO2) Generator, Natural Gas, 120V - Ares 4Amazon$1,299.00
Firman Hybrid 9300-Watt Tri Fuel (Gasoline/Propane/Natural Gas) Portable Generator | T09371Lowe's$187.00
Honda Chonda Harbor Freight Type Propane Natural Gas Gasoline Generator Tri-Fuel Conversion Motor Snorkel Kit Compatible with Honda Type Gasoline GeneratorsAmazon$199.99
Impco Propane Natural Gas Conversion Champion Generator 46514 40026 46515 46516Amazon$159.99
Propane Natural Gas Conversion Predator 4375 212cc GeneratorAmazon$1,999.00and up
DuroMax XP13000HXT 13,000-Watt 500cc Tri Fuel Gas Propane Natural Gas Portable Generator with CO Alert, Black/BlueAmazon & 1 moreSAVE $3.00
$49.69$52.69
CQYD 039-122 Low Pressure Regulator Generator Converter Natural Gas Lp Garretson Impco StyleAmazon$159.99
Propane Natural Gas Conversion Fits Generac 6500 Series 49ST GeneratorAmazon