Merrill's Product Catalog: Frost Proof Yard Hydrants
Water System Pressure Gallons Per Minute (GPM)
  0 5 10 15 20
20 PSI 14 GPM @ 20 PSI
30 PSI 15.5 GPM @ 30 PSI
40 PSI 16.3 GPM @ 40 PSI
60 PSI 18.8 GPM @ 60 PSI
80 PSI 20.3 GPM @ 80 PSI
100 PSI 22 GPM @ 100 PSI
  Note: Most common 1/2 hp submersible pumps output is 10 GPM.
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Merrill Quality Benefits Merrill®
M-2000
Woodford
Y-34 & W-34
Clayton Mark Simmons Campbell

Benefits

YES
YES
YES
Benefits YES
Benefits YES

Benefits

YES
YES
Number of Quality Benefits 7 1 0 0 1
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