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Built-in inlet strainer (oil only) to protect pump from contaminants
Regularly check and maintain the low level indicator and alarm system
Perform routine checks on air and fluid lines for leaks or wear
and transfer systems where a tee connection is required to split or combine fluid flow
15F109 (for GRACO 3900 series)
GRACO Screw, Cap, Socket Head - (SKU: 503143) Built-in inlet strainer (oil only)The GRACO 503143 is a socket head cap screw, typically made from steel or alloy, designed for secure fastening within GRACO fluid handling and spray equipment. Its primary function is to provide robust clamping and structural integrity in assemblies such as mastic fluid regulators and related components. Key Features: Socket head cap screw Steel or alloy (material not explicitly stated, but typical for this part type) Compatible with GRACO mastic
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