Description

COMPATIBILITY

  • FCST and FCST-X
  • Any fuel cell with an 8AN or 12AN breather port

NOTE: 12AN breather kits require 12AN DSV in FCST and FCST units.

OVERVIEW

The vent permits air to escape as the fuel cell is filled and permits filtered air to enter when fuel is getting consumed. This allows the tank to breath to avoid pressurization during normal operation.

20-0484-08 Fuel Cell Vent Kit, 8AN

This kit is typically used for standard-fill systems with direct fill or remote fill necks. It includes an air filter, 6ft (1.8m) of 1/2" ID fuel vent hose, and adapter fittings. The kit requires an 8AN male vent fitting. 
NOTE: This can be used with the standard vent fitting that is included with the Radium FCST.

20-0484-12 Fuel Cell Vent Kit, 12AN

This high flow kit is typically used for quick-fill systems that commonly use a dry break and dump can. It includes an air filter, 6ft (1.8m) of 3/4" ID fuel vent hose, and adapter fittings. The kit requires a 12AN male vent fitting. 
NOTE: This can be used with Radium 20-0462 DSV, 12AN ORB to 12AN Male, Quick Fill.

20-0485 12AN Female Fitting to Air Filter

This is typically used with a   12AN ORB to 12AN Male , Radium DSV  It includes an air filter and a 12AN female adapter fitting and requires a 12AN male vent fitting. 
NOTE: Because the top of the fuel fill tube should not be higher than the location of this air filter, this is commonly used in conjunction with direct fue l cell fill caps only (not remote fillers).

 

20-0439 12AN ORB to 5-Bolt SAE Adapter

This adapter is commonly used with old FCST units (20-014X-XX) which had a small vent. It converts the fuel level flange to a large 12AN ORB vent.
NOTE: a fuel level sender cannot be used with this adapter in place.

INSTALLATION NOTES

It is very important to follow these steps to properly route the vent line and prevent unwanted fuel loss or vent line clogging.

  • From the fuel cell, the hose must first run upwards allowing any fuel captured in the vent line to drain back down into the cell
  • After ascending vertically, the line should briefly route towards the front of the vehicle to prevent fuel from sloshing out
  • Vertical loops should be added to act as a 'make-shift' expansion chamber. This allows air to escape and any fuel to drop to the bottom of the loops
  • Depending on the application, the overall vertical height of the vent hose should be at least 12"
  • For remote fuel fill applications, the vertical loops must be higher than the fill point
  • The vent hose should terminate outside of the cabin, below and behind the fuel cell and away from the exhaust system.

Fuel Cell Vent Kits

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