Wayne WSS30VN Primary and Battery Backup Sump Pump Combo
- 1/2 HP primary pump, up to 5,100 GPH
- 12V battery backup, up to 10,000 gallons per charge
- Battery not included: needs 40 or 75 Ah deep cycle
- Preassembled, 15 minute drop-in install
- 20 ft maximum lift
- Tested to 1 million cycles, 8 ft cord
- 3-year warranty, 44 lb
Last refreshed Sep 8, 2026 · Based on the Amazon listing and published specifications, not hands-on testing.
A ready-to-drop-in primary and backup pump pair for basements that flood when storms knock out power. The required deep cycle battery is extra.
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ASIN: B07H4S6X9NModel: WSS30VNCategory: Sump Pumps
Overview
A vertical float switch and a top-suction primary pump are paired with a battery-powered backup in this preassembled Wayne system. The main pump handles everyday water, and the backup takes over from a deep cycle battery if power or the main pump fails.
Getting both pumps preassembled cuts install time to minutes with no weep hole to drill.
Who it's for
Basement owners in rainy or snowmelt areas who want both pumps installed in one go. Small pits that cannot fit the assembly need a different setup.
Pros and cons
- Primary and backup in one unit
- Preassembled for quick install
- No weep hole needed
- High pumping capacity
- Backup battery sold separately
- Needs a large sump basin
- Indoor use only
Performance notes
The top-suction primary pump draws water from above the pit floor, which limits clogging from sediment. Backup run time depends on battery capacity, so a larger battery pumps more water during an outage.
Specifications
| Brand | Wayne |
|---|---|
| Model | WSS30VN |
| Dimensions & fit | |
| Maximum Lifting Height | 20 feet |
| Item Dimensions L X W X H | 13.5"L x 9"W x 15.5"H |
| Item weight | 44 pounds |
| Capacity & performance | |
| Flow Rate | 5,100 GPH (85 gpm) |
| Backup capacity | Up to 10,000 gallons per battery charge |
| Power & efficiency | |
| Horsepower | 1/2 HP |
| Backup battery | 12V deep cycle, 40 or 75 Ah, not included (WSB1275 recommended) |
| Power cord | 8-foot SJTW |
| Power Source | Corded Electric with Battery Backup |
| Voltage | 12 volts |
| Construction & materials | |
| Material Type | Polypropylene |
| Color | Black |
| Included components | |
| Included Components | combination system |
| Unit Count | 1 Count |
| Warranty & support | |
| Manufacturer Warranty Description | 3 year manufacturer |
| Other details | |
| Switch | Integrated vertical float switch |
| Minimum basin | 16 inch diameter |
| EU Spare Part Availability Duration | 3 years |
| Product Style | Standard System with Back Up |
| Specific Uses For Product | basement flooding |
Frequently asked questions
What size sump pit does the Wayne WSS30VN need?
It fits basins 16 inches in diameter or larger.
Does the Wayne WSS30VN include the backup battery?
No. It needs a 40 or 75 amp hour deep cycle battery, such as the WAYNE WSB1275, sold separately.
How long does it take to install the Wayne WSS30VN?
It comes preassembled for drop-in installation in 15 minutes or less, with no weep hole to drill.
Can the Wayne WSS30VN be used outdoors?
No. It is for indoor use only.