CHERNE 12-E27121-020 Kidde Fenwal Detect Fire Leak Sensor 140F

( Brand: Cherne ), ( Manufacturer Part Number: 12-E27121-020 ), ( Type: Leak Test Sensor )

Review CHERNE Industries Kidde Fenwal Detect a fire Leak Test Sensor

The Cherne 12-E27121-020 140F Kidde Fenwal Detect-a-Fire Leak Sensor is a crucial safety device designed to detect potential leaks in your heating system before they become a major issue. This sensor is manufactured by Kidde, a well-known brand in the field of fire safety, ensuring high-quality and reliability.

The 140F model is specifically designed to monitor temperatures between 140 and 220 degrees Fahrenheit, making it suitable for use with most residential heating systems. The sensor is equipped with a highly sensitive and accurate heat detector that can quickly and accurately detect even the slightest temperature increases that may indicate a leak.

The Detect-a-Fire Leak Sensor is easy to install and requires no additional wiring, making it a convenient addition to any heating system. It features a simple plug-in design, allowing you to connect it directly to your heating system's electrical supply. Once connected, the sensor will begin monitoring the temperature and will activate an alarm if it detects a temperature increase that may indicate a leak.

The sensor has a bright red LED light that illuminates when it is active, making it easy to identify at a glance. It also features an audible alarm that will sound when a leak is detected, providing an additional layer of warning. The sensor is designed to be durable and long-lasting, with a UL listed housing that is resistant to corrosion and other environmental hazards.

The Cherne 12-E27121-020 140F Kidde Fenwal Detect-a-Fire Leak Sensor is an essential safety device for any home with a heating system. By continuously monitoring the temperature and detecting potential leaks early, it can help prevent costly repairs, minimize damage, and keep your family safe. With its easy installation, reliable performance, and long-lasting design, this sensor is an excellent investment for any homeowner.

The Kidde Fenwal Detect-a-Fire LEAK SENSOR Model number 12-E27121-020 is a vital device for detecting water leaks in residential and commercial applications. Here are some pros and cons of buying this leak sensor to help you make an informed decision:

1. Early Detection: The sensor provides early detection of water leaks, reducing the risk of water damage and mold growth.

2. Easy Installation: It is easy to install, and no wiring is required, making it a convenient option for homeowners and renters.

3. Battery Operated: The sensor operates on a battery, so it does not require a power source, providing an added level of convenience and safety.

4. Universal Compatibility: It is compatible with most makes and models of water heaters, including gas, electric, and tankless models.

5. Affordable: The sensor is affordable, making it an excellent option for those on a budget.

1. False Alarms: There have been reports of false alarms due to condensation or high humidity levels.

2. Limited Coverage: The sensor may not cover the entire area of a large water heater tank, requiring multiple sensors for adequate coverage.

3. Loud Alarm: The alarm can be quite loud, which may be inconvenient for some users, especially if installed in a bedroom or living area.

In conclusion, the Kidde Fenwal Detect-a-Fire LEAK SENSOR Model number 12-E27121-020 is an affordable and convenient option for early detection of water leaks. However, it may not be suitable for all applications, as it has some limitations, such as false alarms and limited coverage. It is essential to weigh the pros and cons carefully before making a purchase.

If you are in the market for a reliable and effective water leak sensor, the Kidde Fenwal Detect-a-Fire LEAK SENSOR is a decent option. However, it is recommended to consider other models with advanced features, such as wireless connectivity and remote monitoring, for added convenience and peace of mind. Ultimately, the best choice depends on your specific needs, budget, and preferences.

Details:

Compatible with fire alarm and extinguishing systems.: Detect-A-Fire Thermal Detector / Leak Test Sensor. Head Material:Stainless steel hex head. Temperature Rating:140.

Mounting Configuration:Vertical mount. Leak testing systems. Industrial overheat detection. Typical applications include: Fire suppression release systems.

Contact Configuration:Normally open. Construction:Hermetically sealed contacts. Cherne Industries / Kidde Fenwal 12-E27121-020 Detect-A-Fire thermal detection device rated for 140 F activation temperature. Industrial leak detection systems.

Commercial fire alarm systems. Process monitoring. Stainless steel shell. Features: Self-restoring design.

Hermetically sealed switching mechanism. The Kidde Fenwal Detect-A-Fire series is widely used in commercial fire suppression, industrial safety systems, and equipment overheat protection. Closes on temperature rise. Resistant to false alarms from transient heat.

Model: 12-E27121-020. Industrial thermal protection. Designed for long service life in industrial environments. Safety shutdown systems.

Specifications: Manufacturer:Cherne Industries. Electrical Rating:Low- voltage detection and release circuits. Thread Type:1/2 14 NPT. Commercial facilities.

Mechanical equipment overheat monitoring. Process equipment safety shutdown. Designed for industrial leak testing, fire detection, overheat monitoring, and release system activation applications in commercial environments. Alarm activation circuits.

Application:Fire suppression systems. Commercial fire protection. Detection Type:Fixed temperature. This unit is part of the Kidde Fenwal Detect-A-Fire series utilizing a rate-compensated thermal detection mechanism designed to activate on fixed-temperature rise conditions while minimizing false alarms from transient temperature fluctuations.

Mechanical rooms.

part #: 12e27121020 price

• $99.99

specifications indusfir:

• brand: Cherne
• mpn: 12-e27121-020
• type: Leak Test Sensor

offer indusfir:

• sold: 0
• availability: In Stock
• started: May 27, 2026
• quantity: 1
• options: Ship-to-home

seller indusfir:

• # reviews: 3117
• rating: 99.7%
• city: Rexburg, Idaho

general indusfir:

• condition: New
• Facility Maintenance Safety > Fire Protection Equipment > Other Fire Protection Equipment

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• cost: $0.00
• type: Fixed
• carrier: USPS
• class: Expedited
• transit: 3-7 Days
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returns indusfir:

• policy: Returns Accepted
• time: 30 Days
• paid by: Buyer
• method: Money back