[Resolved] Max Tank Elevation To Parent Forum April 26, 2020 at 4:14 pm #405 Fraiser1622Participant Is there a maximum tank elevation for the valves to function properly? Planning to have the tank approx 3m above the Aqua valves. April 26, 2020 at 4:15 pm #410 JoshKeymaster Hi There…. if you find that there is too much pressure due to the elevation simply close the tap a little on the reservoir to reduce the flow, you should be OK though, ideal pressure is 1-10-psi You must be logged in to reply to this topic.