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How to Pick the Perfect Grinder Pump.


Grinder Pump Buyer's Guide

How to Pick the Perfect Grinder Pump

Sump Pump
Product Expert
Grinder Pump Buyer's Guide

Like an over-sized garbage disposal, grinder pumps shred and cut through debris contained in your home's waste water.

They feature a steel blade that grinds most solids to a pulp to help prevent blockage.

Grinder pumps can also be used for high head and very long horizontal discharge runs.

If you're having trouble with your sewage pump clogging, a grinder pump may be just what you need.

Automatic or Non-Automatic?
This decision should be based on your intended application.

Most residential applications will require an automatic pump unless there's a control panel and or box already in place.

Basically, the automatic grinders are "turn key" ready to be installed, whereas manual grinders require some sort of switching mechanism and control panel to operate.

If you're replacing your residential sewage pump with a grinder pump, an automatic model is your best bet. This can simply be swapped out and start working.

If you're replacing a commercial grinder pump, you should determine if your current system has a control panel. Non-automatic grinder pumps are typically used with systems that feature a control panel. If you're not using a control panel, a float switch or an electric powered piggy-back switch will be necessary for the pump to run when required.

Discharge Type
The most common discharge type found on grinder pumps is vertical. It's important, however, to know they can also be found with a horizontal discharge, so you'll want to be sure you choose the one that's right for your application.

If you're pumping waste water horizontally to another location that's either at the same elevation or lower, or if you've got guide rails in place, you may want the discharge to come straight out through the side of the pump (rather than vertically).

In this case, you'll want a pump that features a side-discharge that'll give you a more efficient flow with less friction. In the event you would use a side discharge pump vertically, there are easy-to-install 90-degree flange adapters available.

Service Industry Use
Bars, restaurants, and hotels benefit from grinder pumps in another way. They also use them for the scraps that come from industrial-sized sinks.

Busy restaurants and bars don't have time to scrape the scraps before dumping dishes in the sink. So a variety of trash ends up in the drain. Anything from food to plastic forks and napkins.

These businesses use grinder pumps to clear the mess out of their drainage pit. Rags, gloves, and lime peels can all be ground up and pumped out with the help of a grinder pump.

NEXT: Best-Selling & Top-Rated Grinder Pumps

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