- All Mueller Indicator Posts are UL/ULC Listed and 4"-14" Indicator Posts are FM Approved.
- All have a cast boss on the upper barrel that is tapped with ½" NPT to allow a supervisory switch to be installed.
- The Mueller Adjustable Indicator Post has a 24.25" adjustment range and can be easily adjusted in the field without disassembly.
- The Mueller design uses an operating wrench to make the post tamper proof.
Product Data Sheets
Technical & CAD Data
Not available for this product
Listings, Approvals & Certifications