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10
MATCH LIT SYSTEM CONNECTION DIAGRAMS
249K BTU Systems and below
1. Locate FK1
Parts include Whistle-Free Flex Line, key valve, escutcheon
plate, and keys.
2. Remove Flared Fittings from Whistle-Free Flex Line
Removing flared fittings first makes installation easier.
3. Connect to 1/2” x 2” Nipple, then to Coupling
(FK1) Connect one 3/4" Flared Fitting removed in Step 2 to
1/2" x 2" Nipple fitting provided by inserting 1/2" x 2" Nipple
into interior threads of the Flared Fitting. Tighten.
Then, connect the
½" x 2" Nipple
fitting into the
coupling located
on the bottom
of the aluminum
plate. Tighten.
3" Key
Escutcheon Key Valve
½" x 2" Nipple
12" Key
STEP 1 - FIT180
Whistle-Free Flex Line
Flared
Fitting
Whistle-Free Flex Line
Plate
Coupling
Apply thread
sealant here
STEP 3
Use inside threads
of Flared Fitting
½" x 2"
Nipple
3/4" Flared Fitting
Apply thread sealant here
3/4" Flared
Fitting
½" x 2" Nipple
Leave this Connection Diagram with end user.
STEP 3
Flared Fitting
Flared End
Thread
sealant is
applied
to this
end only
throughout
instructions
