Replacing an Existing Pump | 4 |
DEEP WELL
Hazardous voltage. Disconnect power to pump before working on pump or motor.
1.Drain and remove the old pump. Check pipe for scale, lime, rust, etc., and replace it if necessary.
2.Install the control valve and pressure gauge in the pump body (see Figure 1).
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Figure1: Install Control Valve and Gauge
3.If your old pump has the suction pipe (the larger port
– see Figure 2) below the drive port, you will need to install flexible pipe between the well head and the pump so that the connection will be correct. (See Figure 3).
Piping omitted for clarity
Suction
Discharge 
(Larger)
Port
Drive
(Smaller)
Port
Drive Pipe 
sends water 
down the well 
to drive water 
up through the 
Suction Pipe 
to Pump Suction 
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Figure 2: Drive and Suction Functions
If well head and pump don't match, twist reinforced flexible pipe to connect drive
and suction pipes.
Well
Head
Drive Suction
PipePipe
Figure 3: Reversed Connections to Well
NOTICE: Your old ejector (in the well) may not be properly matched to your new pump. If the pump does not perform properly, we recommend that you install ejector kit FP4800 or 29660.
4.Install the pump in the system. Make sure that all pipe joints in the suction pipe are
5.Adjust the pump mounting height so that the plumbing connections do not put a strain on the pump body. Support the pipe so that the pump body does not take the weight of piping or fittings.
You have just completed the well plumbing for your new deep well jet pump. Please go to Page 8 for discharge pipe and tank connections.
SHALLOW WELL
Hazardous voltage. Disconnect power to pump before working on pump or motor.
1.Drain and remove the old pump. Check the old pipe for scale, lime, rust, etc., and replace it if necessary.
2.Install the control valve and pressure gauge in the pump body (see Figure 1).
3.Install ejector kit FP4875 or 29650 (kits are sold sepa- rately). Follow the instructions provided with the kit. Be sure to align the venturi with the top hole on the front of the pump (see Figure 4).
NOTICE: Always replace the ejector when replacing the pump in a shallow well installation.
Figure 4: Mount Ejector – Shallow Well
4.Install the pump in the system. Make sure that all pipe joints in the suction pipe are
5.Adjust the pump mounting height so that the plumbing connections do not put a strain on the pump body. Support the pipe so that the pump body does not take the weight of piping or fittings.
You have just completed the well plumbing for your new shallow well jet pump. Please go to Page 8 for discharge pipe and tank connections.
For parts or assistance, call Simer Customer Service at
