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1A. Minimum sump size: 11” (279mm) diameter
by 13” (330mm) depth for vertical switch
models; 14” (356mm) diameter by 18”
(457mm) depth for tethered switch models.
1B. Construct the sump pit of tile, concrete, steel,
or plastic; it must meet code requirements.
1C. No clay, earth, sand, or gravel in the sump
(they will clog the pump). Keep the pump inlet
screen clear.
2A. Install the discharge plumbing and check
valve, using PTFE pipe thread sealant tape -
NOT pipe jointcompound.
2B. Tighten the pipe into the pump (hand tight
+1-1/2 turns).
2C. Install a check valve in the vertical pipe to
prevent flow backwards through the pump
when it shuts off. To prevent airlocking the
pump, drill a 1/8” (3.2 mm) hole in the
discharge pipe just above where it screws into
the pump discharge. Install the check valve
above this hole, but keep it as close to the
pump as possible. Be sure the hole is below
the waterline and below the check valve.
2D. To reduce noise and vibration, cut the
discharge pipe near the pump and fasten
a short length of rubber hose (1-7/8” (48
mm) I.D., e.g. radiator hose) into it with
hoseclamps.
3. Place the pump in the sump; make sure that
nothing interferes with switch operation. For
tethered switch models, the tether length
should be 3-1/2” (See Figure 3).
4. Finish installing the necessary plumbing.
Follow the glue manufacturer’s instructions
for safety precautions and curing time.
Risk of flooding. Make sure the
pump cannot move in the sump. If the pump
moves when it runs, the piping or sump wall
may interfere with the switch and prevent the
pump from starting or stopping.
Installation 3
For parts or assistance, call Simer Customer Service at 800-468-7867
13" Min. with
Vertical Switch
18" Min. with
Te thered Switch
Figure 1
6768 0213
Figure 2
6765 0213
Figure 3
6766 0213
Install airlock
hole here.
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