Attwood Marine 670-3 90-Degree Fuel Tank Vent User Guide

June 9, 2024
Attwood Marine

Attwood LOGO Marine 670-3 90-Degree Fuel Tank Vent
FUEL

Direct Fill for Carbon Canister Systems

EPA Certified

  • Essential component of VaporTec and SecureStop
  • Single 1 psi overpressure relief safety valve built into cap
  • Anti-backout feature prevents accidental removal
  • Automatic nozzle shutoff 4-10 gpm
  • Reduced number of components in the system
  • Includes ratcheting tethered cap
  • Compatible with Attwood’s carbon canister architecture
  • Meets CARB 13 CCR 2235 and ISO 13331 nozzle mating and retention standards
  • Compatible with Ethanol blended fuels
  • Fits 1-1/2″ fill hose
Description OEM Part # Part #
Carbon Canister Direct Fill 99TDF100-1

Attwood Marine 670 3 90 Degree Fuel Tank Vent - FIGURE
1

90° P-Trap Fuel Tank Vents

These vents help prevent water from entering the fuel tank, yet allow air to vent freely, during normal sea conditions and washdowns. This eliminates the need for an anti-siphon loop in the vent hose. For 5/8″ I.D. hose. Meets ABYC standard.
The arrows in this cross-section show the baffled route that water would have to travel in order to reach the fuel vent hose. Compatible with Ethanol blended fuels.

Attwood Marine 670 3 90 Degree Fuel Tank Vent - FIGURE
4

Attwood Marine 670 3 90 Degree Fuel Tank Vent - FIGURE
2|
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Description| Maximum Hull Thickness| Installation Hole Size| Style| OEM Part

| Part #

---|---|---|---|---|---
Standard Mount –
5/8″ I.D Hose| 9/16″| 3/4″| Black with black vent head| 1670-1| 1670-3
Black with stainless steel trim cover| 66419-1| 66419-3
Replacement covers
for Standard Mount| —| —| For 1670| 911526-1| —
For 66419| 911528-1| —
Flush Mount – 5/8″
I.D. Hose| 1″| 1-3/8″| Black with stainless steel vent head| 1674-1| 1674-6
Replacement Spacer
for Flush Mount| 1/4″ – 1/2″| —| For 1674| 911507-1| —
1/2″ – 3/4″| —| For 1674| 911508-1| —

attwoodmarine.com

Documents / Resources

| Attwood Marine 670-3 90-Degree Fuel Tank Vent [pdf] User Guide
670-3 90-Degree Fuel Tank Vent, 670-3, 90-Degree Fuel Tank Vent, Fuel Tank Vent
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References

Read User Manual Online (PDF format)

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Download This Manual (PDF format)

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