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21oz. Accumulator Tank 1/2" FPT Replacement for Shurflo 804 series Booster Systems
Shurflo 181-201 Accumulator Tank 21oz. 1/2" FPT Pentair

21oz. Accumulator Tank 1/2" FPT Replacement for Shurflo 804 series Booster Systems

On sale: $39.98
Retail Price:$79.97
You Save:$39.99(50%)
In Stock.
Part Number:181-201
  • Description:21 oz [621 ml], includes mounting bracket, nylon housing, butyl diaphragm, 1/2'' [13 mm] NPT-female, NSF-listed, 125 PSI [8.6 bar] maximum operating pressure. Shurflo
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Quantity Pricing
  • 1 - 11
  • $39.98
  • 12 - 23
  • $39.18
  • 24+
  • $37.98


RV Expansion Tank


Replacement for Shurflo 804 series Booster Systems

Increase the life of your pump and even save battery power with this SHURflo Model 181 Series Accumulator Tank. Its 21 oz. capacity provides a means to control a wide variety of water or product pressure problems, in a wide range of applications. SHURflo Accumulator tanks help reduce pump cycling and provide consistent water pressure, helping to limit harmful pressure spikes. Used in Boats, RVs and Beverage systems as an expansion tank as well as replacement tank for systems 804-001, 804-002, 804-021
Add this compact Shurflo Accumulator Tank to your freshwater system for smooth, steady water flow.
  • 1/2" FPT
  • Measures a compact 8.9" x 4.06" x 3.6" helps end annoying water surge.
  • 30psi Pre Pressurized built-in diaphragm -instead of just an air pocket at top of tank- cushions surges to assure a smooth flow.
  • Connects to main water distribution line after pump in demand system.
  • Works with pressures up to 125 psi.
  • Sturdy nylon housing.
  • Easy installation.
  • Mounts in any position mounting bracket included
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