Mueller Indicator Posts PARTS

Mueller Indicator Posts
Replacement Parts

Indicator Post are used in fire protection systems and perform two functions. First the Indicator Post provides a means to operate a buried or otherwise inaccessible valve and second the Indicator Post readily and clearly indicates whether the valve is open or shut.

Three styles are produced

Adjustable: This design has a built-in 18" adjustment span
Non-Adjustable: This is used when a trench depth measured from the top of the underground valve to ground line does not exceed 14".
Wall: This post is mounted horizontally when a inside valve is installed behind a wall.

Chattanooga Original MFG: 1945 - 1971


	This old design is shown for reference only as no OEM replacement parts are available.


		Adjustable




	Non-Adjustable

Chattanooga Modern MFG: 1972 - 1982


	A new low silhouette design that was built for 18 years with a few changes as time went by. From 1972 through 1982 these Indicator Posts were made at the Chattanooga, Tenn. foundry. Click below for Parts Ordering and LC Data Maintenance help files.




	Adjustable


	These two new designs include (4) external bolts of which (2) locations are noted at left.




		Wall



			Non-Adjustable

Albertville Original MFG: 1983 - 1990

The first of the Indicators produced at the new ALBERTVILLE, AL plant. The Indicator Heads are cast Mueller ALBERTVILLE, AL. Its indicator Head assembly is bolted internally as illustrated to the left. No external bolts showing as does the Chattanooga Modern version stated above.

Albertville MFG: 1991 - 1999

This first version of a new lighter weight design with heavier-duty internal assemblies. The operating torque on this new version exceeds 900 ft-lbs. The Adjustable Type Post includes a new patented "No Cut" stem adjustment assembly with over a 21" range. Internal Open/Shut mechanism changed to allow direct heat of a fire without interfering with the operation of the underground valve if required. The lower barrel pipe was 4" Ductile Iron pipe.

This first version has a separate bonnet cover held down by two bolts. The name "Mueller" was not cast into the upper barrel, only ALBERTVILLE, AL. Some have a "G" cast below window level. Mueller provided a silver label above the window area.




Albertville MFG: 2000 - Present


	Similar to the 1991-1999 design. External visual change is to the post Head. The separate 2-bolt top cover plate *has been eliminated*.

adj post indicator 2000 to current a20806






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