I have one similar. Too similar. One gallon per minute. Fifteen seconds of holding a button for a large glass of water. Fifteen seconds sounds piddly. Try holding a 32 fluid oz glass for 15 seconds while it's filling. Roughly the same fill rate as a 5-gallon water cooler operating by gravity.
The NO LOAD of a standard Shur Flo is nearly 1.2 amperes
This gizmo has 3/8" ports. The Shur Flo has 1/2" barbed fittings.
might make a great fish aquarium aerator.