I think you're right. If you put the regulator on the inlet of the unit, there won't be enough pressure for it to work correctly. The regulator works like a relief valve. If the pressure is above the setting, the valve opens to let some pressure out.

Last edited by klhansen; 12/09/2024 2:43 AM.
Kevin
1951 Chevy 3100 work truck
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1929 Ford pickup restored from the ground up. | 1929 Ford Special Coupe (First car)
Busting rust since the mid-60's
If you're smart enough to take it apart, you darn well better be smart enough to put it back together.