Your cookie preferences
We use cookies to remember your preferences and understand how shoppers use our site, helping us improve your shopping experience.
Read our privacy policyHelp protect your basement and home from unwanted water with a sump pump designed for consistent everyday water removal. The iON WC33i is built for residential sump, septic tank effluent, and general dewatering applications, making it a versatile solution for keeping water under control.
Its 1/3 HP submersible design operates on standard 115V power and is built with durable cast iron construction for long-term use. The pump can handle solids up to 1/2 inch and is compact enough for installations where sump basin space is limited.
The WC33i also includes iON Digital Level Control, which uses solid-state sensing technology to automatically manage pump operation without the moving parts found in traditional mechanical float switches.
The WC33i is suitable for basement sump pits, septic tank effluent, and general dewatering. Its compact design also makes it practical for residential installations with limited basin space.
The standard iON Switch uses solid-state digital level sensing instead of a conventional mechanical float. The stationary design eliminates moving parts and contact points to help reduce mechanical failure points.
An iON+ Switch is also available as an upgrade, adding a high-water alarm and LED indicators for additional system monitoring.
The oil-filled PSC motor is designed to provide quiet operation while using power efficiently, making it suitable for regular residential sump pumping.
The WC33i can deliver up to 45 GPM with a maximum head of 24 feet. Actual flow depends on total head, discharge piping, fittings, and other installation conditions.
A minimum basin size of 18 inches by 24 inches is recommended. The pump features a 1 1/2-inch NPT discharge and a 10-foot power cord. Follow the manufacturer's installation instructions and applicable plumbing and electrical codes.
The iON WC33i includes a 3-year residential warranty. Refer to the manufacturer's operation manual for complete installation, operation, maintenance, and safety requirements.
The iON WC33i is a 1/3 HP submersible sump pump designed for dependable water removal in basement sump, septic tank effluent, and dewatering applications. Operating at 115V with a 10-foot power cord, this pump delivers up to 45 GPM of pumping capacity and handles up to 1/2-inch solids.
Built with a durable cast iron housing and an energy-efficient PSC motor, the WC33i is engineered for reliable operation while helping reduce power consumption. Its compact design is sized to allow two pumps in an 18-inch basin, providing flexibility for residential sump applications.

