Sump Pump Repair in Knoxville, TN
When your pump runs nonstop, or stays silent
Most calls about a sump pump in Knoxville come down to two complaints: the pump won't stop, or it won't start. Either way the troubleshooting follows the same order. The float switch gets checked first, since it fails more often than anything else and costs the least to fix. Floats stick against the basin wall, tangle in their own cord or simply wear out. Then the check valve, which can let pumped water slide back into the basin so the pump moves the same water over and over. Then the discharge line, for silt, roots, a crushed section or ice. Last comes the basin, which can silt up until the pump is sitting in mud.
- Free estimate
- No travel charge
- Licensed & insured
- Workmanship warranty
Waterproofing
How sump pump repair work around Knoxville
A pump that cycles every few minutes in dry weather usually has nothing wrong with its motor. It's more often a stuck float, a check valve that's given up, or water arriving that wasn't arriving before, which means the drainage feeding the basin needs a look. A pump that stays silent over a full basin may have a burned-out motor, a tripped breaker or a float pinned down. Rattling, grinding or a burning smell means the motor or impeller is in trouble. When the unit is past saving, you get the replacement price in writing before we touch it, and if the smaller repair is the right call, we'll tell you.
The ground around Knoxville is hard on pumps. Karst seams can deliver a sudden rush of water after a spring storm, and a pump that coped for years can start falling behind. Silt from clay soils settles in basins with no lid or a poor liner seal. An older pump repaired today may only buy a season, so age is part of the conversation. When we come out we look at the pump, how freely the float travels, the valve, the full discharge route to its outlet, the basin and the power supply, then whether the pump is sized for what the space gets now. Repair visits run Monday to Friday, and if water is coming in, say so when you call.
Worth knowing: If your pump is more than about ten years old, a repair may only buy you a season. We will give you the honest read on repair versus replace, including when the smaller job is the right one.
Signs you need this
- A pump cycling every few minutes in dry weather
- A pump that is silent when the basin is clearly full
- Rattling, grinding or a burning smell from the basin
Typical installed price
- $300–$600 · Sump pump repair
How it works
From the first call to a finished job
- 01
You call, we schedule
A real person at our Powell office answers, Monday to Friday, 9 to 5. You get a callback the same day you ring.
- 02
Free on-site estimate
An estimator walks the Knoxville property, inside and out: crawl space, grading, gutters, the lot itself. Expect an hour, and expect to be shown what he is looking at.
- 03
A written price, explained
Scope, method and cost in writing before anyone starts. No pressure to sign on the spot, and no quotes over the phone.
- 04
Our crew does the work
We clean up behind us, and we stay in constant communication with you until the job is done.
Sump Pump Repair questions
What homeowners ask about sump pump repair
Our pump runs every few minutes even though it hasn't rained in a while. Is it about to die?
Maybe not. Constant cycling in dry weather often points to a check valve letting water flow back, a float set too low, or groundwater feeding the basin from somewhere new. Each of those gets tested before the pump itself takes the blame.
The basin is full and the pump only hums. Can that be fixed, or is it done?
A hum with no pumping can mean a jammed impeller, a clogged intake or a motor that's failing. Clearing a jam sometimes brings it back. If the motor is the problem, replacement is usually the better value, and you'll get the price before anything is done.
I smell something burning near the crawl space hatch. Could that be the sump pump?
It could be, and if you can reach the plug safely, unplug the pump. A burning smell often means the motor is overheating, sometimes because it's running against a blocked discharge or a stuck float. Call and tell us what you're seeing so it gets looked at as early as possible.
Our pump is old and I can't find any record of when it went in. Should I repair it or replace it?
Age matters, because an older pump that's repaired may only last another season. We look at the motor, the float and how hard it's been working, then give you an honest read. If a small repair makes sense for your situation, we'll say so.
The power went out during a storm and our crawl space flooded. What should I change?
First check that the pump restarted once power came back, since a stuck float can keep it off. If outages line up with your wettest weather, a battery backup may be worth adding. It's also worth asking whether the basin fills so fast that a larger pump or better drainage is the real fix.
My pump's float switch looks broken. Can that part be swapped on its own?
On many pumps, yes. Some use an external float that can be replaced separately, while others have it built in, which can make a new pump the better buy. We check which kind you have and give you the cost of each option.
The end of our discharge pipe outside is packed with leaves. Could that be why the pump keeps failing?
It can be. A blocked outlet makes the pump work against pressure, which overheats the motor and shortens its life. Clear the end, then watch a cycle, and if the pump still struggles, have the line checked further back for silt, roots or a crushed section.
I hear water rushing back down the pipe every time our pump shuts off. Is that normal?
A little drainback in the short section below the valve is normal. A lot of rushing water, or a pump that restarts right away, usually means the check valve has failed. It's a fairly simple part to replace, and it often cures constant cycling.
I lifted the lid and there's a layer of mud in the bottom of our sump basin. Is that hurting the pump?
Over time, yes. Silt gets pulled into the intake and wears the impeller, and it can bury a float. Cleaning the basin helps, and if silt keeps coming in, the drain feeding it or the seal around the basin may need attention too.
We seem to be getting more water in the basin than we used to. Do we need a bigger pump?
Possibly, though it's worth finding out why first. A change in water can come from a gutter problem, new grading next door or a shift in groundwater. We compare the pump's capacity with what's arriving, and look at the outside of the house, before recommending a larger unit.
More waterproofing
Outside Knoxville
The same work in every town we cover, with what the ground does there.
Get sump pump repair looked at
A free on-site estimate takes about an hour, and you get a written price before anyone starts.
