If you look behind the "control panel" in your utility bay, you will see that the CITY WATER CONNECTION (which fills BOTH the tank and/or "direct connect" to the faucets) goes from the connection point TO THE FILTER. The manifold is "downstream" of the filter. So no matter what the manifold settings are, connected water goes through the filter FIRST. Hope this helps... Now I'm trying to figure out how to BYPASS the water filter so I can winterize my 2015 Seneca - the filter did not come with a "bypass kit". Any ideas??
Highlands Ranch, CO
2015 Seneca 37TS ("Screaming Eagle")
2009 Hummer H3 ("Ranger")
2005 Chevy 2500HD ("Max")
2008 MasterCraft X-15 ("One More Time")