Sump Pumps & Battery Backup

Sump Pump Service
& Battery Backup
Across Southwest Ohio.

FlowMax Plumbing installs, replaces, and services sump pumps and battery backup systems throughout Clermont, Hamilton & Brown County.

Sump pump installation completed by FlowMax Plumbing in Southwest Ohio
Primary Pump
Replacement
Battery Backup
Installation
24 Years
Experience
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Failed sump pump in Southwest Ohio basement

The Real Problem

One Failed Pump. One Power Outage. One Flooded Basement.

Southwest Ohio’s spring rain season — March through May — puts more pressure on residential sump pumps than any other time of year. The East Fork watershed in Clermont County, the creek systems running through Anderson Township and Mt. Washington, and the rolling terrain of Brown County all funnel significant groundwater toward residential foundations during heavy rain events.

Most sump pumps installed during the 1980s and 1990s suburban build-out of Clermont County are now 20–30 years old. The builder-grade units that came with many homes weren’t designed to handle what follows a major storm. And when a severe thunderstorm knocks out power — which happens regularly across SW Ohio — a pump without battery backup goes silent at exactly the wrong moment.

By the time you hear the alarm or notice the water, the damage is already underway. FlowMax replaces aging pumps, installs battery backup systems, and fixes the discharge routing issues that make existing pumps work twice as hard as they should.

What We Do

Sump Pump & Backup Services

Battery backup sump pump installed by FlowMax Plumbing in Southwest Ohio

Sump Pump Replacement

Old or failed primary pump removed, new submersible unit installed, float switch tested, pit inspected.

Battery Backup Installation

Keeps your basement dry when the power goes out — the exact moment SW Ohio storms most often strike.

Combination Primary + Backup Systems

Full system replacement: new primary pump and battery backup installed together for complete protection.

Float Switch & Pit Inspection

Float switch failure is one of the most common causes of pump-related flooding. We test and replace as needed.

Discharge Line Repair & Routing

Improper discharge routing makes your pump work twice as hard. We re-route to Ohio code requirements.

New Sump Pump Installation

No pit? No problem. FlowMax cuts a new sump pit, sets the crock and pump, and routes the discharge line.

Why FlowMax

Why Homeowners Trust FlowMax
for Sump Pump Work

24

Years in Southwest Ohio

Ronnie has seen what floods basements in Clermont and Hamilton County. He knows the terrain, the soil, and the seasonal patterns that drive the call volume every spring.

01

Diagnose First, Replace Second

Flooding doesn’t always mean a failed pump. We find the actual cause — float switch, undersized pit, frozen discharge, power loss — before recommending a fix.

02

Full System Approach

A primary pump alone isn’t enough in Ohio. We install combination primary + battery backup systems so you’re protected even when the storm takes out your power.

03

Discharge Routing Done Right

Ohio requires discharge to terminate at least 10 feet from the foundation. We route it correctly so your pump isn’t cycling the same water back into the pit all day.

Common Questions

Sump Pump Questions

Most submersible sump pumps last 7–10 years. SW Ohio’s spring rain season — particularly the high-volume events that run the East Fork and Little Miami drainages up — puts significant annual stress on residential pumps. If your unit is approaching that window, or you’ve never replaced the pump that came with the house, have it evaluated before spring. A pump that fails during a storm costs far more than a planned replacement.
Strongly recommended. The highest-risk scenario in SW Ohio is a severe thunderstorm that knocks out power at the same moment it’s flooding your basement. A primary pump with no backup goes silent exactly when you need it most. Battery backup systems typically run 8–12 hours without grid power — long enough to get through most outage events. If your basement has ever taken water, backup is not optional.
Not necessarily. Basement flooding can happen because the pump was overwhelmed by inflow volume (undersized), because the discharge line froze or was blocked, because the float switch stuck, or simply because there was no power during the storm. FlowMax diagnoses the actual cause before recommending a replacement — sometimes the pump is fine and the problem is upstream.
Ohio requires sump pump discharge to terminate at least 10 feet from the foundation and directed away from neighboring properties. Improper discharge routing is one of the most common problems we find — water discharging too close to the house re-enters the soil and cycles back into the pit. This makes the pump run constantly, shortens its life dramatically, and doesn’t actually remove water from your property.
Pedestal pumps sit above the pit with the motor out of the water — easier to access, but noisier and generally less powerful. Submersible pumps sit fully submerged inside the pit — quieter, more powerful, and better suited for the high-volume events common during Clermont County’s spring rain season. FlowMax installs submersible pumps in almost all residential applications.
If your pump runs continuously during heavy rain or cycles on and off every few minutes, the pit may be undersized for the volume entering it. This is common in older Clermont County homes where builder-grade pits were sized for the development density of the 1980s — upstream development since then has increased runoff significantly in many neighborhoods.
Yes. If your basement has never had a sump pump, or the original pit was filled in at some point, FlowMax can cut a new pit, install the crock, set the pump, and route the discharge line to a proper termination point. New sump pump installations are common in older unfinished basements across Clermont and Brown County.

Ready to Book?

Basement Flooding?
Pump Running Constantly?

Call FlowMax Plumbing today for a free estimate. We serve homeowners across Clermont, Hamilton & Brown County — family-owned, honest pricing, no upselling.