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Aftermarket G14 Auto Drain Valve WBK-20 for Air Compressor

Aftermarket G14 Auto Drain Valve WBK-20 for Air Compressor

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$131.79
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This Aftermarket G14" Auto Drain Valve WBK-20 is a replacement automatic drain valve intended for air compressor systems.
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I needed a forklift part and wasn’t sure which one fit. They asked for the model and serial number, got back to me quickly, and made sure I ordered the right one. Really helpful.

Randy W. — Verified customer

Product Overview

This auto drain valve automatically expels moisture and condensate from air compressor tanks, preventing rust and maintaining air quality. Designed as a direct replacement for WBK-20 models, it is ideal for industrial and workshop air compressors that require reliable, hands-off drainage.

Key Features & Performance

  • Automatic timed draining cycle removes condensate without manual intervention
  • G14" (1/4 inch) NPT thread for standard air compressor tank ports
  • Rugged aftermarket construction designed for long service life
  • Easy installation with basic hand tools
  • Helps extend compressor life by preventing internal corrosion

Fitment & Compatibility

  • Compatible with air compressors using a WBK-20 style auto drain valve
  • Fits standard 1/4 inch NPT drain port openings

Common Uses

  • Automatic draining of air compressor tanks in workshops and garages
  • Maintaining air quality in pneumatic systems
  • Replacing worn or manual drain valves on stationary compressors

Technical Specifications

  • Part Number(s): WBK-20
  • Thread Size: G14" (1/4 inch NPT)
  • Type: Automatic timed drain valve

Frequently Asked Questions

Q: How does this auto drain valve work? A: It opens automatically on a timed interval to release accumulated moisture from the air compressor tank, then closes to maintain pressure.

Q: Is this valve compatible with all air compressors? A: It fits compressors with a 1/4 inch NPT drain port and is designed as a replacement for WBK-20 style valves; verify your port size before purchase.

Product appearance and specifications may vary slightly by batch. Compatibility may vary by serial number. Verify fitment before purchase.

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