Bilge Pump System Repair and Installation

Installation, testing, and repair of automatic and manual bilge pump systems to protect your vessel from flooding. We service switches, float sensors, and through-hull fittings to ensure dependable water removal when you need it most.

Bilge Pump System Service by FLORIDA MARINE OUTFITTERS LLC

A bilge pump that fails while you're underway is one of the fastest ways to lose a boat. Most calls we get trace back to a corroded float switch or a pump that ran dry and burned out without anyone knowing.

Common problems we fix

  • Bilge pump runs constantly and won't shut off — A stuck float switch is the usual cause. It can also mean water is actually entering the hull faster than expected. We test the switch, check the wiring, and inspect for the source of any unusual water intrusion.
  • Pump doesn't run at all in automatic mode — Failed float switches are the most common culprit, followed by corroded connections and burned-out pump motors. In the salt air environment here, terminals corrode fast and can kill the circuit even when the pump looks fine.
  • Water in the bilge after sitting at the dock — This usually points to a slow leak at a through-hull fitting, a worn shaft seal, or water coming in around a poorly sealed hatch or deck fitting. We trace the source before replacing any hardware.
  • Bilge pump alarm going off on the dash — The alarm circuit is telling you the pump has cycled more than normal. That's worth taking seriously. We check the pump run rate, inspect all float sensors, and look for the underlying water source.

How Salt Air and Heat Shorten Pump Life

Southwest Florida's combination of salt air, heat, and humidity is hard on bilge pump components. Float switches corrode and stick. Terminal connections oxidize and drop voltage to the pump motor. UV exposure degrades wiring insulation over time. Boats kept in the water year-round, or stored on lifts in open-air marinas, see this wear faster than boats kept dry. We see more bilge system failures during summer storm season when pumps get the most use.

What a Bilge Pump Service Actually Covers

A proper bilge pump service isn't just swapping the pump unit. We check every part of the system.

  • Pump output and flow rate under load
  • Float switch and automatic sensor function
  • Wiring continuity and terminal condition
  • Through-hull fitting and check valve integrity
  • Backup pump presence and function if equipped

When to Replace vs. When to Repair

A pump with a failed motor gets replaced. Bilge pump motors aren't serviceable, and a rebuilt unit in a critical system isn't worth the risk. Float switches and wiring are a different story. A corroded connection or a stuck switch can often be fixed without touching the pump itself. We tell you which is which before any work starts.

How do I know if my bilge pump is actually working?
Put a small amount of water in the bilge and watch for the pump to kick on automatically. If it doesn't cycle within a few inches of water, the float switch may be stuck or the circuit may be dead. A manual override test will tell you whether the pump motor itself is functional.
Do I need more than one bilge pump?
A backup pump is strongly recommended on any boat used offshore or in open water. If the primary pump fails or is overwhelmed, you need a second line of defense. Many insurers and USCG safety guidelines recommend redundant systems on larger vessels.
Can a bilge pump handle a serious hull leak?
No. Bilge pumps are designed for normal water intrusion, like condensation, rain, or minor splash. A significant hull breach can overwhelm any pump. If your pump is running continuously, that's a sign to get the boat out of the water and find the source.
Why does my bilge smell even after the pump runs?
Standing water in low spots that the pump intake can't reach will cause odor. It can also indicate a holding tank issue or an exhaust seal leak. The pump doing its job doesn't mean the bilge is fully dry or clean.

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