Smart Water Leak Sensor
Tapo T300 Review

90dB built-in alarm  |  IP67  |  6 probes  |  2x AAA  |  Needs H100 or H200

Overview

The Tapo T300 is a water leak sensor with a 90dB built-in alarm, 6 probes and an IP67 rating. It needs a Tapo H100 or H200 hub for app alerts.

It runs on 2 AAA batteries, which Tapo rates at up to 1.5 years with the hub alarm, or over 2 years without it.

Key Features

✓Water leak detection, 6 probes
✓90dB built-in alarm
✓IP67
✓2x AAA batteries
✓Up to 1.5 years (with hub alarm) or 2+ years
✓Needs an H100 or H200 hub

Pros & Cons

Pros

+ Loud built-in alarm
+ IP67
+ Several probes
+ Long battery life

Cons

− Needs a hub for app alerts
− Battery life drops with the hub alarm on

Setup & Installation

Fit the batteries, add it to your H100 or H200 hub in the Tapo app, then place it on the floor where a leak would start, such as under a sink or beside a washing machine.

Common Problems & Fixes

Running into issues? Our Tapo T300 troubleshooting guide covers step-by-step fixes taken from Tapo’s own guides, including won’t pair with the hub, offline, not responding.

Who Should Buy It

Anyone worried about leaks from a washing machine, boiler or sink.

Verdict

The T300 is a sensible low-effort way to catch leaks early, with a loud alarm of its own.

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