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160B · 06-07-2013, 01:10 PM

Here is the one I built. 36" from centerline of overflow to centerline of test port. Valve is to throttle the pump flow. Do not use an elbow at the top for overflow unless you drill it at the top to vent the column. This is necessary as the syphon action of the overflow can reduce the column pressure.

06-07-2013, 01:10 PM	#2
160B Senior Member Join Date: Aug 2010 Location: Port Orchard, WA Posts: 1,498	Re: testing jets Here is the one I built. 36" from centerline of overflow to centerline of test port. Valve is to throttle the pump flow. Do not use an elbow at the top for overflow unless you drill it at the top to vent the column. This is necessary as the syphon action of the overflow can reduce the column pressure. __________________ 1931 160B & 1931 68B If you don't have time to do it right the 1st time, how do you have time to do it the 2nd time? Last edited by 160B; 06-07-2013 at 01:21 PM.