| Cord Length: | 15' |
|---|---|
| Horse Power: | 1/2 |
| Voltage: | 115V |
| Flow at 5 FT Head: | 32 GPM |
| Discharge: | 1-1/4" |
| Includes: | Alarm |
| Type: | Automatic |
The check valve will not prevent freezing, the check valve protects the pump from operating longer than needed once the need for the unit to remove water had shut off. It will prevent the water from flowing back down into the unit you may need to look into a pipe heat tracing cable to resolve your issue
This pump is manufactured to discharge residential waste water applications. At 20 feet of head the pump can move 30 gallons per minute. We would recommend using a 1-1/4" discharge pipe on this unit which is how the unit comes from the factory, but you can use a larger pipe size. Below is a link where you can see the pump performance curve on page 2: http://s3.supplyhouse.com/product_files/Zoeller%20-%20915-0006%20-%20Install%20Instructions.pdf
Please refer to the pump performance curve in the submittal sheet found here on our site : http://s3.supplyhouse.com/manuals/1348018428444/80718_PROD_FILE.pdf