Generac QT 1.6L 20kW — Reconfiguring the Fuel System (NG to LP)
Adjustments
For the Generac QT 1.6L 20kW, from the Generac owner's manual.
Applies to: Generac QT 1.6L 20kW, Generac In Line engine
Before you start
- Serious injury or damage may occur if not configured properly. Please consult an Authorized Dealer with any questions.
Procedure
- Turn the main gas supply off.
- Remove the carburetor fuel hose from the outlet port (Port 1) of the demand regulator.
- Remove the brass hose fitting from outlet Port 1.
- Remove pipe plug from Port 2.
- Install brass hose fitting into Port 2.
- Install pipe plug into Port 1.
- Connect carburetor gas hose to brass fitting.
- Tighten all clamps and plugs.
- Make sure fuel supply is of the proper pressure and type.
- Reverse the procedure to convert back to natural gas.
- Set the Dip switch inside the control panel to the LP or NG position.
Tools required
- Pipe sealant Amazon
Tool links are Amazon searches (affiliate links); manufacturer special tools may only be available from a dealer.
Specs & values
- Port 1 is for NG only and Port 2 is for LP vapor only. No provision for dual fuel has been made.
Full service-parts list: Generac QT 1.6L 20kW →
Source: Generac owner's manual. Steps and values are as documented; always cross-check against the official manual and any later revisions for your exact serial number before servicing.