ZOELLER 912 Residential Sewage Ejector Systems User Guide

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912 Residential Sewage Ejector Systems

912 Residential Sewage Ejector Systems

Plug and Go Systems
Easier installation and saves labor.
Designed for residential and light commercial sewage applications.
Consult factory or factory rep for design build package systems.

Zoeller Family of Water SolutionsTM
Copyright Zoeller Co. All rights reserved.

System Components:

Automatic Pump

• Integral Float Switch or Piggyback Switch
• 115 Volt
• 0.4 HP (9.4 FLA) or 0.5 HP (10.4 FLA)
• 2” PVC discharge

High Water Alarm (optional)

• Simplex systems available with or without high water alarm. Systems that include high water alarm will have the alarm float preinstalled.
• Duplex system uses an alternator with built in high water alarm

Basin

• Poly Structural Foam (PSF) or polyethylene basin and cover
• 10’ Stack comes with a fiberglass basin, steel cover, 4” cast iron inlet hub and qualifies as a L.A. code system
• 2” PVC discharge. Through the cover for indoor or side discharge for outdoor systems.
• 4” Inlet
• 3/16” vent hole pre-drilled
• 18” x 30” – 30 gallon (113 liter) capacity
• 24” x 24” – 41 gallon (155 liter) capacity

Note: Check valve required. Sold separate. Packing peanuts found in basins are corn starch based and will dissolve once water is added.

Optional Alarms and Alternator

Indoor APak®High Water Alarm

• Auto-reset solid state alarm
• Battery backup for power outage (2-AA batteries not included)
• NEMA 1 non-corrodible enclosure for indoor use
• Manual shut-off
• Horn rated at 86 decibels at 10’ (3 m)

Indoor Residential SmartPak® Alternator

• Alternates two automatic pumps up to 1/2 HP, 12 Amps each, 115 V single phase
• Extends pump life
• Compact design easily mounts in confined spaces
• Universal connection for alarm switch replacement

Outdoor APak® High Water Alarm

• NEMA 4X Outdoor use per UL 864 for US and Canada
• High water will trigger horn and red alarm LEDs. Audible alarm horn can be silenced. If water level recedes, alarm will stop on its own, with LED alarm  indicator remaining on until reset. Horn is rated 82 decibels at 10’ (3 m)
• Auxiliary dry contacts for high level alarm, 5 Amps

Optional Extensions and Risers

18” x 30” PSF & Fiberglass Basin Extension Options
Poly Structural Foam (PSF)
31-1473 – 12” tall for 18” diameter
31-1476 – 6” tall for 18” diameter
Fiberglass
31-0558 – 12” tall for 18” diameter
31-0566 – 6” tall for 18” diameter
24” X 24” Poly Basin Extension and Riser Options
31-3108 – 8” extension for indoor applications
10-5157 – 18” riser for outdoor applications
31-2950 – Replacement 24” x 24” basin only

TOTAL DYNAMIC HEAD FLOW PER MINUTE

912 Selection Guide

Location| 10’ Stack| Simplex/Duplex| Basin| AFD| Vent| Basin Material| Float Switch (Integral/Piggyback)| Pump HP| Alarm| Part Number
---|---|---|---|---|---|---|---|---|---|---
Indoor| No| Simplex|

24” x 24”

|

Yes

|

2”

|

Poly

| Integral| .4 HP| No| 912-1141
Yes| 912-1147
.5 HP| No| 912-1143
Yes| 912-1149
Piggyback| .4 HP| No| 912-1142
Yes| 912-1148
.5 HP| No| 912-1144
Yes| 912-1150
18” x 30”| No| 2”| PSF| Integral| .4 HP| No| 912-0007
Yes| 912-1007
.5 HP| No| 912-0010
Yes| 912-1010
Piggyback| .4 HP| No| 912-0005
Yes| 912-1005
.5 HP| No| 912-0017
Yes| 912-1017
2”*| Poly| Integral| .5 HP| No| 912-0070
Piggyback| .4 HP| No| 912-0055
Yes| 912-1055
.5 HP| No| 912-0056
Yes| 912-1056
Yes| 2”| PSF| Integral| .4 HP| No| 912-0086
Yes| 912-1086
.5 HP| No| 912-0088
Yes| 912-1088
Piggyback| .4 HP| No| 912-0087
Yes| 912-1087
.5 HP| No| 912-0089
Yes| 912-1089
Duplex| 24” x 24”| Yes| 2”| Poly| Integral| .5 HP| Yes***| 912-1161
Yes L.A. Code| Simplex| 18” x 30”| No| 2”| Fiberglass| Piggyback| .4 HP| No| 912-0016
.5 HP| No| 912-0020
Outdoor| No| Simplex| 18” x 30”| No| NA| PSF| Integral| .4 HP| No| 912-0082
Yes| 912-1082
.5 HP| No| 912-0084
Yes| 912-1084
Piggyback| .4 HP| No| 912-0083
Yes| 912-1083
.5 HP| No| 912-0085
Yes| 912-1085

CAUTION
All installation of controls, protection devices and wiring should be done by a qualified licensed electrician. All electrical and safety codes should be followed including the most recent National Electrical Code (NEC) and the Occupational Safety and Health Act (OSHA).

© Copyright 2024 Zoeller® Co. All rights reserved.
FM3467 0424
Supersedes 1023

Documents / Resources

| ZOELLER 912 Residential Sewage Ejector Systems [pdf] User Guide
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