GRACO Solenoid Harness for MZLP, TOF - (SKU: 17A557)The GRACO 17A557 is a solenoid harness designed for use with MZLP (Multi Zone Linear Pump) systems within the Therm O Flow (TOF) series. It is an electrical wiring assembly that connects solenoid components to the control system, ensuring reliable signal transmission and operation. The material is not specified in available documentation, but typical harnesses are constructed from insulated copper wiring with durable connectors. Its intended use is to

POWER CORD

Use only recommended lubricants specified by GRACO

Used as a replacement or maintenance part for GRACO spray equipment carts in industrial

Inspect the coupling and mating surfaces for damage or debris

Follow the manufacturer’s guidelines for air and fluid pressure settings

reducing strain and improving maneuverability during operation

The hose is precharged for quick installation and is constructed for durability and compatibility with GRACO’s automatic lubrication solutions

Ensure correct inlet/outlet threading (1/2" BSPP for this model)

It is used to connect

Used in industrial lubrication and grease dispensing systems

Road-marking paints

Used in industrial lubrication systems for transferring grease from pumps to dispensing points