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Graco 187621 Replacement Drain Valve Housing

SKU: 12-2318
Replacement for: Graco 187621, Graco 187-621
Housing, Drain Valve
$21.66
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The Bedford 12-2318 is a direct-fit replacement for the Graco 187621 drain valve housing. It is a drain valve component used in the sprayer's prime-and-drain system to allow controlled pressure relief and material drain back to the supply container.

Common reasons this drain valve housing is replaced:

  • Sprayer fails to build or hold pressure due to bypass leakage
  • Wear at internal sealing surfaces causing fluid bypass
  • Damage during disassembly of the prime valve for service
  • Routine replacement during scheduled pump rebuild

Service technicians install this part during routine maintenance and during diagnostic teardowns of Graco spray equipment when the listed failure modes appear.

Manufactured to OEM-equivalent dimensions for proper fit and performance. Compatible Graco equipment models are listed in the Compatible Equipment section below, where available.

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