I figured enough folks have had problems with facet pumps that this subject would be better in the open discussion area.

I'm still building my Cruzer, yet I'm at the point where "systems" are starting to be added. I purchased the Zenith complete FWF kit for the O-200.

The plans show the facet pump mounted on the engine side of firewall with only a single line. It seems that popular opinion says I should install a check-valved bypass around the aux facet pump just to provide an unobstructed fuel flow if the pump failed and blocked the outlet.

I don't want to re-invent the Zenith design. Has anyone placed the facet pump in the cabin, in front of the center console, with a tee before and after the pump to allow a second line?

Pics would be great if any are available.  Thanks!

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Yes the Facet can fail and block fuel flow http://www.zenith.aero/forum/topics/aux-or-boost-fuel-pumps the Rotax 912 installation manual calls for a boost pump to push fuel forward to the engine-driven mechanical pump, and a bypass with a check valve around the boost pump, that’s what installed in my 701.

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