| Clue | Source | Date |
|---|---|---|
| Gasp at curious plumber's fitting (3,3) | ||
| American petrol controller? (3,3) | ||
| Fuel supply switch | ||
| Device attached to a Bunsen burner, for example | The Guardian Quick | 07 Sep 2023 |
| Pilot control? | New York Times | 10 Mar 2018 |
| Pilot control? | ||
| Valve in some fireplaces | Universal | 15 Mar 2016 |
| Bunsen burner part | ||
| Burner hookup | ||
| Valve in some fireplaces |