Tyco DS-ECC Dry Quick Response (QR) Concealed Pendent (TY3539) Fire Sprinkler Head
This Tyco Quick Response (QR) Concealed Pendent Fire Sprinkler features a glass bulb activating at 200F with a 5.6 K-Factor, and 1 in. threads. Each Concealed Pendent head features a Bronze Frame, Bronze Deflector, and the Sprinkler Identification Number (SIN) is TY3539. This is a Quick Response (QR), Extended Coverage sprinkler with a maximum working water pressure of 175PSI (UL).
The DS-ECC Dry Concealed Pendent sprinkler delivers effective, affordable defense against fire. Using a heat-activated Glass Bulb assembly, this automatic fire sprinkler opens when ambient temperatures reach 200F, drenching the area surrounding a fire to keep it in its place of origin.
Tyco DS-ECC Dry Quick Response (QR) Concealed Pendent (TY3539) Sprinkler Head Listings and Approvals
Each DS-ECC Dry Concealed Pendent sprinkler is made by Tyco, a global leader in fire protection manufacturing. When installed properly, this fire sprinkler head is UL, cULus Listed, NYC Approved listed. Refer to the datasheet for listings and approvals in specific temperatures and/or applications.
This Concealed Pendent fire sprinkler is designed to connect seamlessly to dry piping systems, providing dependable fire suppression when it matters most. Engineered for high performance, it delivers fast and uniform water distribution during emergency activation. Built for long-term reliability, this sprinkler head requires minimal maintenance and supports quick, straightforward installation. Whether you're replacing an existing unit or installing a new system, this fire sprinkler meets key industry safety standards and enhances overall fire protection efficiency.
Tyco DS-ECC Dry (TY3539) Concealed Pendent Sprinkler Installation and Other Information
- Care:
Be careful when handling, as over-tightening can damage the 1 in. threads or the sprinkler itself. Avoid dropping or exposing the sprinkler to unnecessary impact, which could affect performance. Do not install if the unit appears damaged or compromised in any way. Store in a clean, dry environment to prevent contamination or mechanical damage. Always refer to the datasheet for proper storage and installation guidelines to ensure optimal performance and compliance with safety standards.
- Finishes & Temperatures
This Concealed Pendent sprinkler features a Natural Brass finish and activates at 200F. Available finish options include Natural Brass.
Temperature options include 155F, 200F.
- Accessories
The DS-ECC Dry (TY3539) listed accessories include: RFII Sprinkler Wrench, RFII Cover Plate, DSB-2 Sprinkler Boot.
Available barrel lengths include: 6 in, 12 in, 18 in, 24 in. For other barrel lengths, please contact our Customer Support Team.


