Low Pressure After City Gravity Conversion: Booster Pump Solution

Subdivision Pressure Dropped 30 PSI: Install a Smart Booster Pump

City switched to gravity flow. Pressure swings from 60 to 30 PSI, rotor coverage collapses. Zoysia lawn developing hot spots.

Solution: Packaged Booster Pump System

• Pump: ¾–1 HP self-priming centrifugal (Little Giant, Tsurumi, Atlanta, ABS).
• Controller: Smart inverter/drive (constant pressure, 45–50 PSI output).
• Enclosure: Fiberglass, with disconnect, quick couplers.
• Cost: ~$1,500 installed.

Why Pro Install?

• Electrical: Pump start relay, dedicated circuit, local code compliance.
• Plumbing: Suction/discharge sizing, check valve, pressure tank (small).
• Integration: Wired to irrigation controller "P/MV" terminal.

DIY Alternative (Not Recommended)

Buy pump + smart controller separately. Must handle electrical disconnects, pressure switch calibration, and plumbing. High risk of code violations.

Find a Pro

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