Dome
(included with drain)
Installation Instructions
868-15EXT Threaded Extension Kit
Remove dome and collar from drain body
and retain for later assembly.
Clamping Collar
bolts & Washers
(1.25" Replacement
parts are included with
extension kit)
Clamping Collar
(included with drain)
Threaded
Extension
Extension
Collar bolts &
Poly Washers
(1.75" )
O-ring for
Extension
Collar
Place Extension Collar Gasket fl at on drain
body, aligning the four holes in the gasket
with the four bolt holes in drain body. Be
sure gasket area on drain body is free of
debris.
Align extension collar with gasket and drain
body, marking side up. Using four 1.75"
bolts and four white poly washers, attach
extension collar (hand-tight only) to drain
body - white poly washers should be placed
between top side of extension collar and
bolt heads.
Lubricate Generously. Using lube provided,
lubricate female threads of extension
collar. Lubricate o-ring, and insert into
center groove in female threads of
extension collar. Lubricate male threads
868-15EXT
of threaded extension. Assemble the
threaded extension into extension collar
and adjust to desired height.
Tighten four extension collar bolts with
wrench.
Extension
Collar
Extension
Collar
Gasket
Drain Body
(included with drain)
1-800 -821-3944 • w ww.siouxchief.com
Install waterproofi ng roof liner over the
top of, and to inside diameter of threaded
extension.
Align clamping collar with threaded
extension and attach using four 1.25" bolts
and galvanized washers.
Tighten collar bolts with wrench and install
dome strainer.
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