Miraco | (521) Valve High Pressure

Miraco | (521) Valve High Pressure

  • $ 19.65
Tax included.

Our new and improved grey 521 valve used for high pressure waterers.  The newly upgraded valve offers a wider range for pressures which allows between 40-80 PSI.  It provides up to 12 gallons of water per minute.

It is our most commonly used valve for ALL waterers. 

 Flow 12.5 GSM
Complimentary Parts

A680 Plunger seat

A677 Plunger

Which models Use this?

ALL Miraco waterers, except the pet waterer & Equifont Horse stall Waterer.


3/16" Orifice


For further assistance on finding your part, please call 815-797-9636 or email us at sales@redstonesupply.com.

Product Information

  • Brand: Miraco
  • Type: Parts
  • Product #: A521


Ask a Question
  • What is the difference between A521 and A519 high pressure valves?

    Our A521 features a wider range of pressure, between 40-80 PSI and 12.5 GSM.  The A519 offers 80-90 PSI and 6 GPM.  They use different plungers and seats.

  • My valve is blue, will this fit my waterer?

    Yes, the new A521 valve will fit the older model waterers.

  • can buy only the plunger for 521 valve

    Yes, we have two different plungers available depending on which valve you need.  The current 521 valve uses the A677 plunger.

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