Zoeller

Zoeller is a manufacturer of sump pumps, sewage pumps, grinder pumps, effluent pumps, and complete wastewater management systems for residential, commercial, and industrial applications. Zoeller Pump Company was founded in 1939 in a family basement in Louisville, Kentucky, where the company remains headquartered under fourth-generation family leadership. Zoeller sump pumps are manufactured in the United States with pride of ownership. The Zoeller M53 is a 3/10 HP sump pump backed by a 3-year warranty that serves as the industry standard primary sump pump for residential basement applications. Zoeller also operates the Flint and Walling division in Kendallville, Indiana, a manufacturer of potable water pumps founded in 1866. Plumbing contractors, water damage restoration professionals, and homeowners specify Zoeller where sump pump and sewage system reliability, long service life, and domestically manufactured quality are the primary specifying criteria.

Zoeller Product Lines

Residential Sump Pumps (M Series)

Zoeller M Series sump pumps are the primary product line for residential basement sump pump applications, designed to automatically remove groundwater from the sump pit before it reaches the basement floor level. The Zoeller Model M53 is a 3/10 HP automatic sump pump that is the industry standard for residential primary sump pump installations, backed by a 3-year warranty. The M53 includes the Zoeller LED Plug, which provides a visual confirmation of power at a glance without opening the circuit. The Zoeller Model M98 is a 1/2 HP sump pump for higher-capacity residential applications where groundwater infiltration volume exceeds the M53 capacity. M Series Zoeller sump pumps are corrosion-resistant and designed for continuous wet operation in residential sump pit conditions. Aquanot backup systems from Zoeller combine M Series primary pumps with battery backup sump pumps for protection during power outages.

Sewage Pumps and Sewage Packages

Zoeller sewage pumps move raw sewage and waste water from basement bathrooms and fixtures to the building drain or septic system where gravity drainage is not available. Zoeller sewage pumps handle solids up to a specific diameter, depending on the pump model, making them appropriate for raw sewage from flush fixtures including toilets. Zoeller sewage pump packages are pre-plumbed assemblies that include the pump, basin, cover, and check valve in a single kit, reducing the components a plumbing contractor needs to source separately for a basement bathroom sewage ejector installation. Where sump pumps handle groundwater only, sewage pumps from Zoeller handle the raw sewage and solids from below-grade plumbing fixtures.

Grinder Pumps

Zoeller grinder pumps are designed for below-grade plumbing applications requiring maceration of sewage solids before pumping, which allows smaller discharge pipe diameters and longer horizontal discharge runs than sewage pumps that pass solids whole. Zoeller grinder pump models include the E810 and E815 Progressing Cavity Grinder Pumps and the EX840 and EX841 explosion-proof models for hazardous location applications. Grinder pumps from Zoeller are specified in pressure sewer systems, remote building wastewater applications, and situations where a sewage pump with whole solids pass-through is not appropriate for the pipe system downstream. Zoeller Engineered Products serves the industrial and municipal market with heavy-duty, solids-handling, and grinder pump configurations up to 50 HP.

Qwik Jon Upflush and Effluent Pumps

The Zoeller Qwik Jon Upflush System enables the installation of complete bathrooms in below-grade locations where gravity drainage is not feasible, including basements and other below-grade additions where the drain outlet is above the fixture level. The Qwik Jon system macerates sewage and pumps it through a small-diameter discharge pipe to a gravity drain point above the fixture level. Effluent pumps from Zoeller are designed for septic system dosing applications, moving clarified effluent from septic tanks to drainfields or mound systems through a pressure dosed distribution network. Where grinder pumps handle raw sewage, Zoeller effluent pumps handle the clarified liquid effluent downstream of a septic tank in pressure-dosed septic system applications.

Why Contractors Specify Zoeller

Plumbing contractors specify Zoeller sump and sewage pumps because the company has manufactured pumps in Louisville, Kentucky under family ownership since 1939, providing a domestically manufactured product with a four-generation quality and service track record. The Zoeller M53 sump pump is the industry standard residential primary sump pump backed by a 3-year warranty, providing longer warranty coverage than many comparable residential sump pumps. The M53 LED Plug provides immediate visual power confirmation for the homeowner without requiring electrical troubleshooting. Zoeller pre-plumbed sewage packages reduce the components and assembly time for basement sewage ejector installations. The Zoeller product family covers both the residential contractor's sump and sewage requirements (M Series and sewage packages) and the industrial and municipal market's high-capacity needs (Zoeller Engineered Products). Zoeller products are available through plumbing supply distributors including SupplyHouse.

How to Choose a Zoeller Product

The primary selection variable for a Zoeller pump is application type. Groundwater removal from a basement sump pit calls for a Zoeller sump pump (M53 for standard residential loads; M98 for higher-capacity needs). Sewage from below-grade bathrooms or fixtures calls for a Zoeller sewage pump or sewage package. Applications requiring maceration of solids before pumping call for a Zoeller grinder pump. Complete below-grade bathroom additions where gravity drain is not available call for a Zoeller Qwik Jon Upflush System.

For sump pump selection, the key variables are the required pumping capacity in gallons per hour and the discharge head. The Zoeller M53 provides 3/10 HP capacity appropriate for most residential basement sump applications. For basements with higher groundwater volumes or longer discharge runs, the Zoeller M98 at 1/2 HP provides greater capacity. Where power outage protection is required, a Zoeller Aquanot battery backup system pairs a primary sump pump with a backup unit that operates on battery power when mains power is interrupted.

For sewage pump selection, confirm that the Zoeller sewage pump solid-handling diameter matches or exceeds the solids that may be present in the waste stream from the connected fixtures. For installations requiring a complete sewage ejector system including basin and check valve, Zoeller pre-plumbed sewage packages provide the complete assembly. Confirm the discharge pipe size and check valve configuration of the Zoeller package match the existing or planned drain piping before ordering.

FAQs

When was Zoeller Pump Company founded and where is it headquartered?

Zoeller Pump Company was founded in 1939 in a family basement and is headquartered in Louisville, Kentucky. The company operates under fourth-generation family leadership. Zoeller pumps are manufactured in the United States with pride of ownership.

What warranty does Zoeller offer on its M53 sump pump?

The Zoeller Model M53 sump pump is backed by a 3-year warranty. Zoeller warranty terms for other pump models are available through the product documentation and at zoellerpumps.com. Confirm the applicable warranty for a specific Zoeller pump model with your distributor at the time of purchase.

What is the difference between the Zoeller M53 and M98 sump pumps?

The difference between the Zoeller M53 and M98 sump pumps is horsepower and pumping capacity. The M53 is a 3/10 HP sump pump suitable for standard residential basement sump applications and is the industry standard primary sump pump. The M98 is a 1/2 HP sump pump providing greater flow capacity for applications with higher groundwater infiltration rates or longer discharge runs. Both models are automatic with float switch activation.

What is the Zoeller LED Plug and what does it do?

The Zoeller LED Plug is a feature on the Zoeller M53 and other Zoeller pumps that provides a visual confirmation of power at the pump plug without requiring the homeowner or technician to test the circuit separately. The LED indicator on the plug illuminates when the outlet is providing power, allowing a quick glance to confirm the pump has power before assuming the pump has failed.

What is the difference between a Zoeller sewage pump and a grinder pump?

The difference between a Zoeller sewage pump and a grinder pump is how solid waste is handled before pumping. A Zoeller sewage pump passes solids whole through the pump and discharge pipe, requiring a larger discharge pipe diameter. A Zoeller grinder pump macerates solids before pumping, allowing smaller discharge pipe diameters and longer horizontal runs. Grinder pumps are specified where sewage must travel farther or where the downstream pipe is too small for whole-solid passage.

What is the Zoeller Qwik Jon Upflush System?

The Zoeller Qwik Jon Upflush System enables the installation of complete bathrooms in below-grade locations where gravity drainage is not available. The Qwik Jon macerates sewage from connected fixtures and pumps it through a small-diameter discharge pipe to a gravity drain point above the fixture level. The Qwik Jon is specified for basement bathroom additions in existing homes where the basement drain outlet is above the fixture drain level.