Fenwal 12-E27121-020-04 Mounting Head
The Fenwal 12-E27121-020-04 Mounting Head is a high-precision Detect-A-Fire thermal detector engineered for fire suppression release and overheat alarm signaling. Designed with rate compensation technology, this unit accurately monitors ambient temperature without the lag inherent in standard fixed-temperature sensors or the false-positive risks of rate-of-rise detectors. This vertical mount model features a 300 series stainless steel shell and hex head, ensuring maximum corrosion resistance and durability in demanding industrial environments. The internal hermetically sealed contacts are factory-set to a 190°F (88°C) activation temperature with a precise +7°F/-8°F tolerance. Upon reaching the setpoint, the mechanical close-on-rise operation completes the circuit to actuate clean agent suppression, CO2, or water-based systems. Identified by white color coding for quick field verification, this fast response time index detector is self-restoring and capable of repeated testing, making it a reliable standard for mission-critical fire safety infrastructure.
Key Benefits
- Advanced Rate Compensation: Eliminates thermal lag and prevents false alarms by sensing actual air temperature regardless of fire growth rate.
- Industrial Build Quality: Constructed with a 300 stainless steel mounting head and shell for long-term reliability in harsh conditions.
- Field Efficiency: Features white color coding for immediate identification of the 190°F setpoint during installation and inspections.
- Self-Restoring Design: The internal struts reset automatically after a temperature event, allowing for system testing without component replacement.
- Standardized Integration: Vertical hex head mounting allows for easy installation into standard 7/8-inch diameter junction boxes.
Common Questions
How does rate compensation differ from fixed temperature sensors?
Unlike fixed-temperature units that must be fully heated to the setpoint, the rate compensation design allows the outer shell to expand quickly, enabling the Fenwal Detect-A-Fire to respond as soon as the surrounding air reaches 190°F, regardless of how fast the fire is spreading.
Is this unit compatible with CO2 or clean agent release systems?
Yes, the close-on-rise contact operation is the industry standard for initiating the release of extinguishants like CO2, FM-200, or dry chemical agents once the 190°F threshold is met.
Does the vertical mount configuration affect sensing accuracy?
No, provided it is installed according to the vertical mount specification, the sensor maintains its +7°F/-8°F tolerance. This orientation is optimized for airflow patterns typically found in large industrial or commercial spaces.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Original: $359.51
-65%$359.51
$125.83Fenwal 12-E27121-020-04 Mounting Head
The Fenwal 12-E27121-020-04 Mounting Head is a high-precision Detect-A-Fire thermal detector engineered for fire suppression release and overheat alarm signaling. Designed with rate compensation technology, this unit accurately monitors ambient temperature without the lag inherent in standard fixed-temperature sensors or the false-positive risks of rate-of-rise detectors. This vertical mount model features a 300 series stainless steel shell and hex head, ensuring maximum corrosion resistance and durability in demanding industrial environments. The internal hermetically sealed contacts are factory-set to a 190°F (88°C) activation temperature with a precise +7°F/-8°F tolerance. Upon reaching the setpoint, the mechanical close-on-rise operation completes the circuit to actuate clean agent suppression, CO2, or water-based systems. Identified by white color coding for quick field verification, this fast response time index detector is self-restoring and capable of repeated testing, making it a reliable standard for mission-critical fire safety infrastructure.
Key Benefits
- Advanced Rate Compensation: Eliminates thermal lag and prevents false alarms by sensing actual air temperature regardless of fire growth rate.
- Industrial Build Quality: Constructed with a 300 stainless steel mounting head and shell for long-term reliability in harsh conditions.
- Field Efficiency: Features white color coding for immediate identification of the 190°F setpoint during installation and inspections.
- Self-Restoring Design: The internal struts reset automatically after a temperature event, allowing for system testing without component replacement.
- Standardized Integration: Vertical hex head mounting allows for easy installation into standard 7/8-inch diameter junction boxes.
Common Questions
How does rate compensation differ from fixed temperature sensors?
Unlike fixed-temperature units that must be fully heated to the setpoint, the rate compensation design allows the outer shell to expand quickly, enabling the Fenwal Detect-A-Fire to respond as soon as the surrounding air reaches 190°F, regardless of how fast the fire is spreading.
Is this unit compatible with CO2 or clean agent release systems?
Yes, the close-on-rise contact operation is the industry standard for initiating the release of extinguishants like CO2, FM-200, or dry chemical agents once the 190°F threshold is met.
Does the vertical mount configuration affect sensing accuracy?
No, provided it is installed according to the vertical mount specification, the sensor maintains its +7°F/-8°F tolerance. This orientation is optimized for airflow patterns typically found in large industrial or commercial spaces.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Fenwal 12-E27121-020-04 Mounting Head is a high-precision Detect-A-Fire thermal detector engineered for fire suppression release and overheat alarm signaling. Designed with rate compensation technology, this unit accurately monitors ambient temperature without the lag inherent in standard fixed-temperature sensors or the false-positive risks of rate-of-rise detectors. This vertical mount model features a 300 series stainless steel shell and hex head, ensuring maximum corrosion resistance and durability in demanding industrial environments. The internal hermetically sealed contacts are factory-set to a 190°F (88°C) activation temperature with a precise +7°F/-8°F tolerance. Upon reaching the setpoint, the mechanical close-on-rise operation completes the circuit to actuate clean agent suppression, CO2, or water-based systems. Identified by white color coding for quick field verification, this fast response time index detector is self-restoring and capable of repeated testing, making it a reliable standard for mission-critical fire safety infrastructure.
Key Benefits
- Advanced Rate Compensation: Eliminates thermal lag and prevents false alarms by sensing actual air temperature regardless of fire growth rate.
- Industrial Build Quality: Constructed with a 300 stainless steel mounting head and shell for long-term reliability in harsh conditions.
- Field Efficiency: Features white color coding for immediate identification of the 190°F setpoint during installation and inspections.
- Self-Restoring Design: The internal struts reset automatically after a temperature event, allowing for system testing without component replacement.
- Standardized Integration: Vertical hex head mounting allows for easy installation into standard 7/8-inch diameter junction boxes.
Common Questions
How does rate compensation differ from fixed temperature sensors?
Unlike fixed-temperature units that must be fully heated to the setpoint, the rate compensation design allows the outer shell to expand quickly, enabling the Fenwal Detect-A-Fire to respond as soon as the surrounding air reaches 190°F, regardless of how fast the fire is spreading.
Is this unit compatible with CO2 or clean agent release systems?
Yes, the close-on-rise contact operation is the industry standard for initiating the release of extinguishants like CO2, FM-200, or dry chemical agents once the 190°F threshold is met.
Does the vertical mount configuration affect sensing accuracy?
No, provided it is installed according to the vertical mount specification, the sensor maintains its +7°F/-8°F tolerance. This orientation is optimized for airflow patterns typically found in large industrial or commercial spaces.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
