Discriminator

jon coleman

Well-Known Member
it dont matter where it sits, as long as hoses are secure, will a tech guy buy it?, better get the final word there( ps get a bigger & Cleaner k&n filter.just read a clogged fuel cell vent filter story thread...harmon fuel cell has a littel info on discriminator valve& its function, give them a buzz
 
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landshark

Well-Known Member
You shouldn’t have an issue as long as the discriminator valve is on the upside of the vent line, as close as you can get it to the cell and as vertical as you can get it. Don’t mount it In the down loop of the vent as the vent line from the cell to the valve can fill with fuel and essentially plug the vent line and then create negative pressure in the cell. Once the fuel is in that vent line it won’t have a way to drain back into the cell and then you will have issues with fueling.

We learned this the hard way, seems obvious now and you might know this already but just passing on the info
 

jon coleman

Well-Known Member
with d valve, no ' loop ' of vent hose around fuel cell required, ( according to harmon fuel cell.good videos& info youtube)also you need to keep fill plate check valve in the vent system, but i would ditch the litte one dash 8 is it?, and run the big nascar style fill plate steel ball type check valve so you get the fast fill venting, after reading some info, this is all you need, make sure to run a Big vent filter in a cleen/ safe from mud&dirt blast location, if it gets gunked up, fast filling is slower
 

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