PUMP HOTSY HPP2535G, 2.5 @ 3500, 3400 RPM Pacific Bay Equipment Sale! from $620.00 Qty. Add to Cart This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. HP Series: Direct Drive 2.5 GPM 3500 PSI 6.0 HP 3400 RPM 3/4" shaft