Sta-rite Vertical Pressure Tank, 21Gal

Sta-rite Vertical Pressure Tank, 21Gal

The Sta-Rite PWN-US-80LV PressureWave™ vertical pressure tank is a dependable 21-gallon tank designed to help stabilize water pressure, reduce pump cycling, and improve overall system performance in residential and light commercial setups. Built for well, irrigation, booster, and VFD-controlled systems, it also helps cushion pressure surges for smoother operation and added protection against water hammer.

Country of Origin
Varies by production batch

Key Features / Specifications

• Model: PWN-US-80LV
• Series: PressureWave™
• Tank orientation: Vertical
• Capacity: 21 gallons (0.5–42 gal series range)
• Nominal Volume: 21.1 gal (80 L)
• Net Weight: 32.8 lb (14.9 kg)
• Gross Weight: 36.5 lb (16.6 kg)
• Dimensions:
  • A: 32.1 in (81.5 cm)
  • B: 15.3 in (38.9 cm)
  • C: 2.5 in (6.3 cm)
• Maximum working pressure: 150 psi (10 bar)
• Factory pre-charge: 38 psi
• Inline models: Equipped with reinforced connection plate (RCP)
• Application suitability: Well systems, irrigation systems, booster systems, VFD-controlled systems, and water hammer arresting

Ideal For

• Well water systems needing more consistent pressure and fewer pump starts
• Irrigation and booster pump setups requiring stable drawdown performance
• VFD-controlled systems where pressure stabilization improves operation
• Installations needing added protection against pressure spikes and water hammer