Holiday Savings: Get up to $80 off smart home protection | Ends Dec 31 | Shop Now ->

Holiday Savings: Get up to $80 off smart home protection | Ends Dec 31 | Shop Now ->

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WiFi Natural Gas Detector: GasNet-S4 | Smart Home Gas Leak Alarm for Home

  • Instant Local + App Alerts
  • Natural Gas Detection
  • WiFi Remote Monitoring

60-day hassle-free returns. 12-month warranty.

Free shipping on orders over $100, 5~12 working days delivery.

SKU: GasNet-S4

Price range: $32.00 through $96.00

Early Gas Leak Alerts Before Small Issues Escalate

GasNet-S4 Smart Gas Leak Detector with 24/7 WiFi Monitoring

  • Designed for residential natural gas detection

  • Sends instant WiFi alerts directly to your phone

  • Loud local alarm for immediate on-site warning

  • Plug-in design for quick indoor installation

WiFi Natural Gas Detector for Reliable Home Protection

Don’t Wait Until You Smell Gas — Early Leaks Are Often Invisible

Does your home smell like gas — or nothing at all?

Many gas leaks don’t produce a strong odor at first. Small leaks can build up quietly, especially in enclosed areas like kitchens, basements, or utility rooms.

GasNet-S4 is designed to monitor for residential natural gas leaks and alert you early, helping you respond before a situation escalates.

Common Gas Leak Scenarios to Be Aware Of at Home

Kitchen Areas
  • Loose stove or cooktop connections
  • Pilot lights going out or failing to relight properly


Basements & Utility Rooms
  • Gas water heaters or furnaces with aging fittings
  • Poor ventilation around gas appliances

Garages & Adjacent Spaces
  • Gas-powered equipment used near living areas
  • Gas lines running through enclosed spaces


Special Use Environments (Requires Careful Evaluation)
  • Enclosed spaces where propane or other fuels may be present
  • Suitability depends on gas type, placement, and installation conditions
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Smart, safe, and easy -

Designed for Everyday Home Gas Monitoring

Continuous natural gas monitoring with WiFi connectivity
Fast-response sensor designed for residential environments
Loud local alarm with instant mobile notifications
Simple wall mounting with standard USB power
Clear LCD display for status and gas concentration reference
Designed for long-term, always-on home safety monitoring

Protect Your Home from Gas Leaks

– Built for Real-Life Living Spaces

From kitchen stovetops to basement water heaters, gas leaks can occur in everyday residential settings. GasNet-S4 is designed to monitor natural gas in common household environments and alert you when attention is needed.

When WiFi is connected, alerts are sent directly to your phone, helping you stay informed whether you’re home or away.

Where Smart Gas Monitoring Makes Sense

Home Use

Ideal for kitchens, laundry rooms, utility areas, and other indoor spaces where natural gas appliances are installed.

Property & Managed Spaces

Suitable for apartments, rental units, and shared residential buildings where remote alerts add extra peace of mind.

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Unlock the Benefits of GasNet-S4

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Efficient Detection

Designed to respond quickly to changes in natural gas concentration, supporting timely awareness in residential spaces.

Smart Alarm System

Combines a loud on-device alarm with mobile app notifications, so you can react promptly when a warning is triggered.

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Remote Monitoring

When connected to WiFi, GasNet-S4 allows you to check device status and receive alerts remotely through the Smart Life app.

User-Friendly Design

Simple controls, clear indicators, and a bright LCD screen make everyday monitoring easy for the whole household.

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Want fuller protection for your loved ones?

Pair the GasNet-S4 with our Smoke and Carbon Monoxide Detector – GasNet-CM. Together, they create a smarter, safer home that covers more risks—gas, smoke, and invisible CO leaks.

Looking to protect every corner of your home?

We’ve put together a full guide on smart gas and fire safety for modern families. From real-life tips to easy device placement, you’ll find everything you need to build peace of mind at home.

Product Technical Specifications

Additional information

Weight0.25 lbs
Dimensions9.6 × 9.6 × 3.3 cm
Input voltage

DC5V (micro USB standard connector)

Working current

<150mA

Temperature range

0~55°C

Alarming time

<30 second

Air Pressure

86~106Kpa

Shell material

PC + ABS

Features

Instant Local + App Alerts, Natural Gas Detection, WiFi Remote Monitoring

How It Works?

GasNet-S4 is a WiFi-enabled natural gas alarm designed for residential use. Once powered on and preheated, it continuously monitors the surrounding air for changes in natural gas concentration.

When the preset safety threshold is reached, the device immediately triggers a loud on-site alarm and, when connected to WiFi, sends a real-time alert to your smartphone — helping you respond quickly, even when you’re away from home.

01

Continuous Monitoring

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02

Instant Alerts

When a gas warning level is detected, the alarm sounds locally and a notification is sent through the mobile app (WiFi required).

Installation Steps .

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1. Wall Mounting

Mount the detector on an upright wall near gas appliances such as stoves or water heaters.

2. Recommended Height

Install the device approximately 2 meters above the gas source, where natural gas is more likely to accumulate.

3. High-Density Gas Detection

Avoid installing in bathrooms, humid areas, or directly above open flames. Keep away from alcohol, paint, or chemical vapors to reduce false alarms.

4. WiFi Connectivity

For stable app notifications, install the detector within normal home WiFi range and follow the app setup instructions.

Stay Connected & Secure with Smart Detection

When connected to WiFi, GasNet-S4 works with the mobile app to keep you informed of device status and gas alerts in real time. This added visibility helps you stay aware of potential issues, whether you’re at home or away.

Connect detector

Follow the user manual to connect the detector to your home WiFi network and mobile app.

Set Up Alerts

Enable push notifications in the app to receive gas alarm alerts on your phone.

Regular Testing

Use the built-in test function to confirm the alarm and indicators are working properly.

Temporary Mute

If needed, the alarm can be temporarily muted using the device button or app (when connected).

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Intuitive Monitoring and Control

The mobile app provides a clear view of the detector’s current status and alert notifications when a gas warning is triggered.

View real-time device status when connected

Receive gas alarm notifications instantly

Receive gas alarm notifications instantly

External smart gas valve control requires compatible devices and separate configuration.

Support and Documentation

Frequently Asked Questions

What does natural gas smell like?

Natural gas itself is odorless, but a sulfur-like “rotten egg” smell is added for safety. However, small leaks may not be noticeable by smell alone, especially in enclosed spaces. GasNet-S4 helps monitor for early warning signs beyond human senses.

How sensitive is this gas leak detector?

GasNet-S4 is designed to trigger an alarm when gas concentration reaches 8% LEL, a commonly used residential safety threshold.

Does this natural gas detector work with WiFi?

Yes. When connected to WiFi, GasNet-S4 sends real-time alerts to your phone through the mobile app. The local audible alarm will still function even if WiFi is temporarily unavailable.

What type of gases can the Gas Leak Detector identify?

GasNet-S4 is designed for residential natural gas detection.

Gas detection compatibility depends on gas type and sensor configuration. For other gases such as propane (LPG), suitability may vary by installation environment and system setup.

Will the detector work during a power outage?

GasNet-S4 requires continuous power via USB to operate. During a power outage, the device will not function unless powered by an external backup source.

How many detectors do I need for my home?

Coverage depends on your home’s size and layout. For most homes, installing at least one detector per floor or near major gas appliances is recommended.

How does the detector reset after an alarm?

Once gas concentration drops below the warning level, the detector automatically returns to monitoring mode.

How do I reset or test the device manually?

Use the TEST button on the device to perform a function check or follow the user manual for reset instructions.

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