Combination Sump Pumps · Pre-Plumbed Redundancy
Combination Sump Pumps: Pre-Plumbed Dual AC/DC Defense
Factory pre-plumbed dual-pump systems pairing primary AC cast-iron sump pumps with secondary DC battery backups.
Category Selection Standard
Dual pump systems pre-assembled on a single discharge riser. Evaluated on compact pit clearance and independent dual check valves.
Catalog Specification Matrix
| Model | HP | GPH @ 10' Head | Shut-Off Head | Switch Type | Housing Material | Price | Action |
|---|---|---|---|---|---|---|---|
| Zoeller ProPak53 Pre-Assembled Primary + 508 Battery Backup Package 53-0071 |
1/3 HP AC + 12V DC Backup | 1440 | 22.0 | Dual Vertical Float Switches | Cast Iron Primary / Thermoplastic Backup | $949 | View Specs |
Detailed Product References
Engineering Selection Standards for Combination Sump Pumps
In evaluating equipment for the Combination Sump Pumps catalog, Pumpendium applies rigorous hydraulic constraints based on Total Dynamic Head and electrical motor duty cycles. Every model listed provides verified flow curve data sourced directly from official manufacturer engineering sheets.
Frequently Asked Questions: Combination Sump Pumps
How do I choose the correct model in Combination Sump Pumps?
Measure your basement's vertical lift height, add pipe friction losses using our TDH calculator, and select a pump whose discharge curve meets your required storm inflow rate at that head height.