The Tyco (77-371-4-135) is a Series TY-FRB pendent fire sprinkler. It is a quick-response, standard-coverage spray sprinkler. Also, it has a white polyester finish.
This sprinkler uses a frangible glass-bulb thermal element. As a result, it activates automatically at its rated temperature. Specifically, it is a low 135°F (57°C) rating. Therefore, it suits cooler, controlled spaces. Furthermore, the quick-response bulb speeds activation.
Tyco (77-371-4-135) Specifications
- Series: TY-FRB, pendent
- Type: Quick-response, standard-coverage, glass-bulb
- Nominal K-factor: 5.6
- Thread: 1/2″ NPT
- Finish: White (polyester)
- Temperature rating: 135°F (57°C)
- Listings: UL and C-UL Listed; FM Approved (series)
Applications
The pendent orientation protects areas below a finished ceiling. As a result, the white finish blends into the ceiling. In addition, the 135°F rating suits climate-controlled rooms. Therefore, it fits offices, retail, and similar commercial spaces.
Order or Get Application Help
Since 2002, Life Safety Consultants has supplied genuine fire protection parts. To order the Tyco 77-371-4-135 or get application guidance, call 1-888-557-0558. You can also email sales@lifesafetycom.com.
For more information, contact the Life Safety Consultants team at (888) 557-0558, or email us at: sales@lifesafetycom.com
Additional information
| Weight | 0.5 lbs |
|---|---|
| Dimensions | 2 × 2 × 3 in |
| Condition | New |
| Manufacturers | Tyco |
| Part Type | Replacement Part |






