S Series FW 3.02.02
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86
INSTALLATION
continued
INSTALL DISCHARGE LINE TO PUMP HEAD AND INJECTION POINT
1.
Make a secure finger tight connection on the discharge fitting of the pump head as instructed in Install Suction
Line instructions.
DO NOT use thread seal tape on pump tube connections or tools to tighten connections.
HAZARDOUS PRESSURE: Shut off water or circulation system and bleed off any system pressure.
Locate a point of injection beyond all pumps and filters or as determined by the application.
2.
A 1/4" or 1/2" Female NPT (FNPT) connection is required for installing the injection fitting. If there is no FNPT
fitting available, provide one by either tapping the pipe or installing FNPT pipe tee fitting.
3.
Wrap the Male NPT (MNPT) end of injection fitting with 2 or 3 turns of thread seal tape. If necessary, trim the
injection fitting quill as required to inject product directly into flow of water.
1/4" or 1/2" FNPT Reduction
Bushing if needed
Injection Fitting or Check Valve
Shut-Off Valve
Typical Point of Injection
Discharge Line
DO NOT use thread seal tape on pump tube threads.