Graco 101759 Fitting, Drain Cock

Compatible Machines & Fitment

• Fits: Graco equipment that uses an OEM drain-cock port matching Graco 101759 (Fitting, Drain Cock) on the pump manifold, filter/regulator body, or fluid header.
• Port/Thread (typical): 1/4″ NPT drain port (verify against your machine’s parts diagram).
• How to confirm: Check your sprayer’s parts list/diagram—if the drain-cock is listed as 101759, this is the correct replacement.

Product Overview

The Graco 101759 Fitting, Drain Cock provides controlled draining and service access in Graco fluid systems (manifolds, filter/regulator bodies, and headers). As an OEM component, it maintains proper sealing and durability in demanding paint and coating applications.

Key Features

• OEM Graco quality and fit.
• Allows quick, clean system draining for maintenance and flushing.
• Rugged construction suitable for frequent service cycles.
• Supports uptime by simplifying fluid change-outs and leak checks.

Specifications

Installation Tips

• Verify the port is the correct size (typically 1/4″ NPT) and clean threads before installation.
• Use thread sealant approved by Graco (e.g., PTFE tape or liquid sealant per manual).
• Tighten snugly—do not over-torque to avoid damaging the manifold/regulator housing.
• After installation, open/close to confirm smooth operation, then check for leaks under pressure.

Frequently Asked Questions