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Mini Accumulator Tank

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Product Features
  • Internal bladder
  • Smoother flow
  • Quieter water system
  • Longer pump life
  • Easily fitted to new or existing systems
  • Compact size
  • Quick-connect/disconnect port flttings
  • Mounting point for optional pressure switch
  • Food grade materials, NSF Standard 18 listed


This accumulator tank is intended for installation in any pumped water system controlled by a pressure switch, and may also be used with air-driven pumps. The tank can serve as storage vessel as well as a pulsation dampener for pressurized fluid. The accumulator tank smooths water flow and reduces on/off switch cycling of the pump by lessening the variation in pressure and flow between the pump and the system discharge points. The even flow of water gives better control of hot water temperature with systems using instant water heaters.


The accumulator tank is pre-charged at 10 psi (0.7 bar). If your pump electric pump cut-in pressure is significantly different you may adjust the tank pressure to better suit your particular installation. To increase air pressure in tank, shut pump off, open a faucet to relieve system pressure and adjust pressure using ordinary tire gauge and tire pump at valve in end of tank. Adjust pressure to be approximately 1-3 psi below turn-on pressure. Accumulator tank pressure should be checked at least twice a year to ensure proper operation.

Model No.: 30573-0003

30573-0003 Mini Accumulator Tank
Total Internal Volume 21.5 (oz)
0.65 (Litres)
Air Fill Valve Standard automotive style tire valve
Max. Pressure 125 (psi)
8.6 (bar)
Dimensions 21.4x11.9 (cms)
8.4x4.7 (inches)
Pre-Charged Pressure 0.7 (psi)
0.7 (bar)
Weight 0.96 (lb)
440 (g)
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