Service Notice
Except for coil replacement, the Series 8551 are not repairable.
When any performance problems are detected during routine
inspection, replace valve immediately.
For catalog numbers prefixed WT or EF, see separate solenoid
installation and maintenance instructions for information on:
Wiring, Solenoid Temperature, Cause of Improper Operation
and Coil Replacement.
DESCRIPTION
See Flow Selection
And Mounting section.
APPLICATIONS
Port Markings:
OPERATION
IMPORTANT: Minimum operating pressure differential 30 psi;
maximum 150 psi.
Breather Function 3-way (3/2) mode only:
Single Solenoid:
Solenoid De-energized:
Solenoid Energized:
Solenoid De-energized:
Solenoid Energized:
Dual Solenoids:
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