Quote Originally Posted by DiliKoAmericano View Post
37W 5m Water Pump Submersible Water Pump Deep Well Caliber .4'' 22V 1m3/h - intl | Lazada PH

370 watts would do it, well under budget.
Use the remained of the budget to get a constant pressure pump, with adjustable built in pressure switch.
thanks sir, what is "constant pressure pump"?