Watts T55-85MHP40 - Manual (Page 25)

US and Canada call 1.800.683.2378, other countries call 1.904.641.1666 25
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 sealant 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 connection is
required for 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 MNPT end of injection fitting
with 2 to 3 turns of threading tape. If
necessary trim straight-sided extension
tip so it is in the flow of water.
See Illustration
4. Tighten the injection fitting into the
FNPT fitting.
Installation
continued
– discharge line
DO NOT use Teflon
tape on pump
tube threads.
DO NOT
use pliers.
Trimming
Check Valves
INSTALL DISHARGE LINE
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