AR Minimatic 4/B Automatic Pressure Unloader – Flow-Sensitive Activation

Description

Consider the Minimatic 4/b pressure unloader.

• RC, XT & XM pumps
• 160 degrees F maximum
• 2600 PSI maximum
• 1/2″ FPT inlet
• 3/8″ MPT outlet

Available in the following models:

• AR21039  with injector (2-3 GPM)
• AR21040 with injector (3-4 GPM)
• AR20821 no injector (3-5 GPM)

Repair Parts Available:

• Kit for 7500 bolt/o-ring
• Kit 2858

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