Typical Installation; Pump Location; Inlet Plumbing - Little Giant WRS-9 Owner's Manual

INSTALLATION

Typical Installation

*Check Valve
*Discharge Pipe
*Union
*Not Included
2" MNPT x 1½ FNPT Adaptor
provided. Use if required
Discharge of basin is 2" FNPT
Basin Cover
Basin
Discharge Pipe
15.68
On Level 7" - 10"
Off Level 2" - 5"

Pump Location

• Locate unit so that inlet is gravity-fed. Unit will not draw water up from a lower level.
• Surface must be level.
• Keep basin away from any item that could puncture it.
• Position selected should be convenient to inlet, discharge, and vent piping, and electrical supply.

Inlet Plumbing

1. Plumb inlet to basin cover fitting using 1½-inch threaded pipe.
• Do not reduce the sizing.
2. Install a P-trap and a union next to the basin.
3. Hand tighten plastic fittings.
4. Use pipe joint compound.
NOTE: A 1½" MNPT x 2" slip pipe adapter is provided if a 2-inch inlet is required.
Discharge Plumbing
1. Plumb discharge to basin cover fitting using 2-inch threaded pipe.
2. Use a union and a swing check valve no more than 3 inches (7.6 cm) from top of basin cover.
3. Be sure check valve is installed in proper flow direction.
• No water will flow out of unit if check valve is installed backwards.
4. Seal discharge piping with pipe joint compound.
5. Verify lift height of pump is not exceeded.
6. Hand tighten plastic fittings.
NOTE: A 2" MNPT x 1½" FNPT reducer bushing is provided if a 1½-inch discharge is required.
Power Cord
Piggy Back Plug
*Basin Vent Pipe
2" MNPT required for basin cover
If present, vent is 1½". Use a 1½" slip adaptor.
Cover O-Ring
Pump
10.63 DIA
14.50 DIA
1½" Slip x 2 MNPT provided if
a 1½" vent is required.
Inlet of Basin is 1½" FNPT
2" MNPT x 1½ FNPT
Adaptor provided.
Use if required.
*Union
*Intake
*Items not included with WRS-9 Basin Kit
INSTALLATION
Typical Installation
14.75
3