Alarm or monitor ยท PumpFuse

PumpFuse PF03 Wi-Fi Sump Pump Monitor

A plug-in monitor that watches the pump's power

Updated October 2026

Quick verdict

A smart, easy monitor.

Strength
Reads the pump's electrical behavior.
Trade-off
Doesn't sense water itself.
Right buyer
Owners who want app data.
Voltage
125 V AC
Power source
ac
Dimensions (seller)
4"L x 2.5"W x 3"H
Prices change often; the button shows today's price.

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Why it matters

PumpFuse plugs in between the pump and the outlet and learns the pump's normal power draw, so there's nothing to install in the pit. It alerts you to dry runs, overloads, power loss, short or long cycles and more.

The app tracks runtime, power use and estimated gallons, can shut the pump off to protect it, and needs no login or subscription. One app handles several pumps.

Who it's for, and who should skip it

Good fit if

  • App-minded owners
  • Monitoring several pumps
  • Protecting a pump from burnout

Look elsewhere if

  • Owners who want a water-level sensor
  • Homes without Wi-Fi

Pros and cons

Pros

  • No pit installation
  • No subscription
  • Auto-shutoff

Cons

  • Doesn't sense water directly
  • Needs Wi-Fi
  • Plug must fit the pump

Limitations to weigh

  • Wi-Fi alerts need a working router and power; units with a backup battery keep the local alarm sounding in an outage.

Specifications

Every figure below comes from the source shown in brackets. Where the maker doesn't state something, we say so instead of estimating.

Compatible devicesSmartphoneRetailer
Dimensions (seller)4"L x 2.5"W x 3"HRetailer
Voltage125 V ACRetailer
Mounting / installationTabletop MountRetailer
Model numberPF03Retailer

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Final verdict

Great data with almost no installation.

Where to buy

Our links open this exact model's product page. Prices and stock change; check what's included before you order.

Prices change often; the button shows today's price.

Each button opens this exact model. We may earn a commission on tracked links; it never changes what we publish. Disclosure

Questions buyers ask

Does PumpFuse need a sensor in the pit?
No, it plugs in between the pump and outlet.
Is there a subscription?
No.