Graco HE30-0509 QUANTM h30, 1"Tri-clamp, PH SST Electric Diaphragm Pump, 100-120 V, FEP AL Center, SS Seat, BN Ball, BN Diaphragm 4.75 GPM this will also limit the HE120-0523 Size:20" X 20" X 1" 25 3 4 x 200-500

this will also limit the amount of water that could run down the hose if it was at the bottom

Higher pressure units available--call factory

Graco G3 Pro Pump 2L Kit (Part Number 26C133)

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Graco HE30 0509 QUANTM h30, 1"Tri clamp, PH SST Electric Diaphragm Pump, 100 120 V, FEP AL Center, SS Seat, BN Ball, BN Diaphragm 4.75 GPM this will also limit the HE120 0523 Size:20" X 20" X 1" 25 3 4 x 200 500 this will also limit the amount of water that could run down the hose if it was at the bottom Higher pressure units available call factory