Knox FDC Lock 2 1/2" Male NH/NST Locking Cap with Swivel-Guard
1
/
of
1
Regular price
Price:
$444.00
Regular price
Sale price
$444.00
Unit price
/
per
Stock Level: 10 or more
Product Status: In Stock
When Will it Ship:
Shipping Cost: Free on orders over $100
Shipping Transit Time: 2 to 5 Business Days
Eligible for Express Shipping: Yes
Stock Level Updated: Mar 18, 2026
Item Number: KX3111
Weight: 3.65 lb
Couldn't load pickup availability
- Material: Stainless steel to withstand all weather conditions
- Lock: Locks with a proprietary Knox FDC wrench
- Size: 2 1/2 inch
- Locking mechanism secures and protects FDCs
- 3.068 x 7.5 TPI
- Old Model #3041

Collapsible content
Description
Knox FDC Locks protect fire department connections (FDCs), keeping pipes clean of debris to ensure the delivery of high-pressure water flow to fire sprinkler systems. Swivel-Guard® versions also enhance security against vandalism. Operated with a Knox Keywrench.
- Ensures ready and reliable connections to fire sprinkler systems
- FDC Swivel-Guard™ brings added protection against vandalism
- Protects check valves from freezing in cold climate areas
- Eliminates costly services to back flush the pipes due to debris
Authorized by 2018 IFC1 and IBC2 (Chapter 912.4.1) and 2018 NFPA 13 (Chapter 13.1.13)
- Also enacted in 2003, 2006, 2009 and 2012 (Chapter 912.3.1) and 2015 (Chapter 912.4.1) of IFC editions
- Also enacted in 2006, 2009 and 2012 (Chapter 912.3.1) and 2015 (Chapter 912.4.1) of IBC editions
- Also enacted in 2009, 2012 and 2015 (Chapter 13.1.12)
About Knox Company
Over forty years ago, a unique concept in rapid access for emergency response was born. The KnoxBox®, a high-security key lock box, was designed to provide rapid access for emergency responders to reduce response times and protect property from forced entry.
Today, one revolutionary lock box has grown into a complete system providing rapid access for public safety agencies, industries, military, and property owners across the world. The Knox Company is trusted by over 14,000 fire departments, law enforcement agencies, and governmental entities.