6
Pump & Pipe
Installation Instructions
(Direct Discharge to Outside)
METHOD Aa:
DIRECT DISCHARGE TO THE OUTSIDE OF THE
BUILDING FOR NARROW SUMP PITS
(Diagram Aa)
1.
Attach an “L” bracket to the discharge pipe of the main
AC pump with two (2) stainless steel hose clamps.
Position the bracket so the bottom of the “L” is just
above the top of the main pump, and out of the way
of
any
fl oat switch on the main pump.
2.
(a) Remove the black bottom strainer of the back-up
pump by pressing in the two tabs on the strainer. There
are holes suitable for mounting on the bottom of the
strainer. (b) Using a #8-32 x 3/4” stainless screw,
washer & nut, attach the strainer to the “L” bracket. (c)
Once the strainer is attached, simply press the pump
body onto the mounted strainer.
3.
Cut a three foot (3’) piece of 1-1/4” rigid PVC pipe and
cement it to the threaded fi tting that is attached to the
elbow on the pump.
4.
Secure the pump wire so that the plug on the end will
not fall into the sump. Attach the wire to the pipe with
a piece of tape.
5.
Attach a rubber union (not included) to the top of the
1-1/4” pipe. This will allow the pump to be removed
easily, should the need arise.
The path of the rest of the pipe and the details of each
installation will vary. Using sound plumbing practices, try to
route the discharge pipe to an exterior wall via the shortest
path with the fewest turns. The pipe section exiting the
building should be on a downward slope so that the water in
the pipe will exit outside rather than return to the sump.
Extend the discharge pipe outside the building as far as
possible to avoid the return of discharged water to the sump.
Be sure to seal the hole in the wall where the pipe exits
and cement or clamp all connections securely to prevent
leaking.
No check valve is needed with this method of
installation, as long as you use
less than 20 feet
of pipe.
Diagram Aa
Summary of Contents for BARNES BUS Series
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