Triton vs Mira Leak Detector
Choosing between a Triton and a Mira leak detector means picking between two trusted UK plumbing brands, each offering different approaches to finding water leaks in your home. This comparison breaks down their key differences to help you decide which system best fits your needs.
Quick answer
For most homeowners, the Mira Leak Detector is the better choice due to its easy installation, reliable smartphone alerts, and automatic shut-off valve. The Triton Leak Detector is a solid alternative if you prefer a simple, standalone alarm unit with no plumbing required.
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Research updated June 2026.
Mira Leak Detector
Best for reliable automatic shut-off and smartphone alerts.
| Feature | Triton Leak Detector | Mira Leak Detector |
|---|---|---|
| Best For | Simple standalone alarm | Smart home integration |
| Installation | Place on floor (no tools) | Attach to mains pipe (DIY or pro) |
| Power Source | 2x AA batteries | CR123A battery |
| App Control | No app | Mira Connect app (iOS/Android) |
| Automatic Shut-Off | No | Yes (motorized valve) |
| Audible Alarm | 85 dB | 85 dB |
| Warranty | 2 years | 2 years |
| Overall Rating | 3.8 / 5 | 4.5 / 5 |
Triton vs Mira Leak Detector: Which One Should You Choose?
Water damage is one of the most common and costly home insurance claims. A leak detector can save you thousands by alerting you to a problem early. Triton and Mira are both well-known UK brands, but their leak detectors serve different purposes. The Triton Leak Detector is a basic, standalone alarm unit that you place on the floor near a washing machine or sink. The Mira Leak Detector is a smart system that includes a sensor and a motorized valve that automatically shuts off your water supply when a leak is detected.
How the Triton Leak Detector Works
The Triton Leak Detector is a simple, battery-powered device. You place it on the floor in an area prone to leaks, such as under a sink or behind a washing machine. If water touches the sensor pads on the bottom, the unit sounds a loud 85 dB alarm. It requires no installation, no app, and no Wi-Fi connection. It runs on two AA batteries, which should last around 12 months. This makes it a good choice for a rental property or for someone who wants a no-fuss solution.
How the Mira Leak Detector Works
The Mira Leak Detector is a more sophisticated system. It consists of a wireless sensor that you place on the floor and a motorized valve that you install on your main water supply pipe. When the sensor detects water, it sends a signal to the valve, which automatically shuts off the water to your entire home. It also sends an alert to your smartphone via the Mira Connect app. The sensor runs on a CR123A battery, and the valve is hardwired or battery-powered depending on the model. This system requires some DIY plumbing knowledge or professional installation.
Key Differences Between Triton and Mira Leak Detectors
The most important difference is the automatic shut-off feature. The Mira system can stop the flow of water, preventing major flooding even if you are not home. The Triton can only alert you, meaning you need to be present to turn off the water manually. The Mira also offers app-based alerts, giving you peace of mind when you are away. The Triton is purely a local alarm. In terms of price, the Triton is significantly cheaper, but it offers less protection.
What to Check Before Buying a Leak Detector
Before you buy, consider where you need protection. For a single appliance like a washing machine, a standalone alarm like the Triton might be enough. For whole-house protection, the Mira system is better. Check your plumbing setup. The Mira valve needs to be installed on your main water pipe, which may require a plumber. Also, check if you want smart home integration. The Mira works with the Mira Connect app, but it does not integrate with other smart home platforms like Alexa or Google Home.
Mistakes to Avoid When Choosing a Leak Detector
A common mistake is buying a detector that is too basic for your needs. If you travel frequently, a simple alarm that only sounds when you are home is not enough. Another mistake is ignoring battery life. The Triton runs on standard AA batteries, which are easy to replace. The Mira uses a CR123A battery, which is less common and more expensive. Finally, do not forget to test your detector monthly. Both brands recommend this, but it is easy to forget until a real leak happens.
FAQs
Can the Triton Leak Detector automatically shut off my water?
No, the Triton Leak Detector only sounds an audible alarm. It does not have an automatic shut-off valve.
Does the Mira Leak Detector require a plumber to install?
Installation of the Mira valve requires basic plumbing skills to attach it to your main water pipe. Some users hire a professional for this.
Which leak detector is better for a rental property?
The Triton Leak Detector is better for rentals because it requires no installation and can be easily moved.
Do both detectors work during a power cut?
Yes, both are battery-powered and will continue to work during a power cut.
Can I use the Mira Leak Detector without the app?
Yes, the Mira sensor still sounds an audible alarm and triggers the shut-off valve even without the app.
How long do the batteries last in each detector?
The Triton runs for about 12 months on two AA batteries. The Mira sensor lasts about 2 years on its CR123A battery.
Is the Mira Leak Detector compatible with Alexa or Google Home?
No, the Mira Leak Detector only works with the Mira Connect app. It does not integrate with other smart home platforms.
Which brand is more reliable for leak detection?
Both Triton and Mira are reputable UK brands. Mira is known for its showers and smart home products, while Triton is known for electric showers and water heaters.
Can the Triton detector be used outdoors?
No, the Triton Leak Detector is designed for indoor use only. It should not be exposed to rain or direct water spray.
What is the warranty on each device?
Both the Triton and Mira Leak Detectors come with a 2-year warranty.
Our verdict
The Mira Leak Detector is our overall winner for its automatic shut-off valve and smartphone alerts, offering the best protection against major water damage. The Triton Leak Detector is the best budget-friendly choice for a simple, no-installation alarm in a single room.