Philadelphia Scientific Stealth Watering System Guide

Stealth Watering System™
(Barbed Fitting)
Installation & Operation

What does a Stealth Watering SystemTM Kit include?
This pack contains:
# x Stealth valves (A)
2 x End Plugs (B)
1 x Coil of Tubing (C)
1 x Input Assembly (D)
1 x Quick Connect
Coupling (E)
18 Cell Stealth Watering SystemTM Kit
for 36 Volt Batteries
C
AB
D
E
1
Quick Connect
Coupling (E) Input Assembly (D)
Stealth valves (A)
Stealth valve With
End Plug (B)
Stealth valve With
End Plug (B) Tubing

Installation:
2
Remove the vent caps from
each battery cell.
Ensure there is clear access
to both of the valve’s
tubing barbs.
Fully insert the free end of the
Tubing onto the first valve’s barb
and push firmly until it stops.
Place a Stealth valve into the
vent hole of each battery cell
and press firmly into place.
Locate the Stealth valves with
end plugs where the system
will terminate.
Measure the tubing to the middle
of next valve in the sequence,
ensuring a small amount of slack.

3
Installation (continued):
Cut the tubing squarely at this
point using a tubing cutter ensur-
ing end of tubing is not crushed.
The PVC tubing must be cut
squarely and fully inserted on to
each valve or it will leak.
Once the tubing is fitted, choose
a suitable position for the Water
Input Assembly & cut the tubing.
Insert the cut end of the tube
on to the second valve and
press firmly.
With the remaining tubing
securely connect all of the valves
together in the same way.
Fix the Water Input Assembly
by firmly inserting the tube in the
same way as with the valves.

4
Installation (continued):
Secure the Input assembly to
an inter-cell connector.
Insert the barb fitting of male
quick connect fitting into the
tubing.
Slide the twist lock ring onto
the free end of the Water Input
Assembly.
Push twist-lock ring and quick
connect together & twist to lock
onto the tubing.

5
Sample 12-Cell Layout
Sample 18-Cell Layout
Sample 24-Cell Layout

6
Operation:
Working pressure is between
3-45psi (0.21-2.4 bar).
Filling will begin as soon as
the connection is made (filling
method dependent).
Once filling is complete
disconnect the quick-connect.
Connect the quick-connect
fitting to a suitable water
supply.
When all of the valves’ fill level
indicators are up the spinner on
the Stealth water supply will stop.
The filter traps impurities before they enter
the Stealth valve and your battery. If the
filter is visually clogged or fill-time become
longer, change the filter. Part ID FLT-099Y

To remove a valve,
insert an insulated
screwdriver (or similar)
under the lip of the valve.
Gently pry the valve out
by levering around the
lip.
Do not try to remove the
valve by pulling on the
tubing.
Valve Removal:
Philadelphia Scientific LLC. 207 Progress Drive Montgomeryville, PA 18936
P: 215.616.0390 F: 215.616.0500 www.phlsci.com
© 2019 Philadelphia Scientific LLC. All Rights Reserved. Philadelphia Scientific and the PS logo
are registered trademarks of Philadelphia Scientific. Stealth Watering System is a trademark of
Philadelphia Scientific LLC. E&O.E.
DOC0373
Rev 03/2019
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