Marine 66031-3 Enhanced 316 Stainless Steel Alloy Flush-Mount Fuel Vents
FUEL
User Guide
Fuel Vents
Enhanced 316 Stainless Steel Alloy
Flush-Mount Fuel Vents
On the exterior, they have a smooth edge over the competition. Unlike some others, there is no protruding cap to cause damage — or be damaged by — hull bumps and scrapes. Cap unscrews with hex head wrench for easy cleaning of filter and pressure testing of entire fuel system. These vents now include two silicone gaskets.
On the exterior, they have a smooth edge over the competition. Unlike some others, there is no protruding cap to cause damage — or be damaged by — hull bumps and scrapes. Cap unscrews with hex head wrench for easy cleaning of filter and pressure testing of entire fuel system. These vents now include two silicone gaskets.
| Description | Hose Size | Maximum Hull Thickness | Installation Hole Size | OEM Part # | Part # |
| Straight Vent | 5/8″ I.D. | 7/8″ | 1-3/8″ | 66031-1 | 66031-3 |
| 90° Vent | 5/8″ I.D. | 7/8″ | 1-3/8″ | 66032-1 | 66032-3 |

Enhanced 316 Stainless Steel Alloy Fuel Vents
Stainless steel vents with spark-proof screen holes.
| Description | Hose Size | Maximum Hull Thickness | Installation Hole Size | OEM Part # | Part # |
| Straight Vent | 5/8″ I.D. | 1/2″ | 7/8″ | 66004-1 | — |
| 90° Vent | 5/8″ I.D. | 1/2″ | 7/8″ | 66023-1 | — |
Polypropylene Fuel Vents
Patented splash-resistant, corrosion-resistant polypropylene.

| Description | Color | Hose Size | Maximum Hull Thickness | Installation Hole Size | OEM Part # | Part # |
| Straight Vent | Black | 5/8″ I.D. | 7/8″ | 3/4″ | 1607-1 | 1607-3 |















![Mr.heater Vent Free Radiant Dual Fuel Heater User Manual[mhvfdf20rtt, Mhvfdf30rtt, Mhvfdf20bft, Mhvfdf30bft] Mr.heater Vent Free Radiant Dual Fuel Heater User Manual[mhvfdf20rtt, Mhvfdf30rtt, Mhvfdf20bft, Mhvfdf30bft]](https://static-data1.manualsee.com/1/img/129/67944/2021/02/Mr.Heater-Vent-Free-Radiant-Dual-Fuel-Heater-User-ManualMHVFDF20RTT-MHVFDF30RTT-MHVFDF20BFT-MHVFDF30BFT.jpg)



