
7 Rev. 1
PRODUCT DESIGN
PRESSURE SWITCH
(Prod.)
HIGH
ALTITUDE KIT
TRIP
POINT
HIGH
ALTITUDE KIT
LABEL
COLOR
GCIC
GUIC
10727920
HAC1PS11
10727915
-0.41
HAC1PS12
10727916
ORANGE
0 to 6000 ft.
Note: All ne
ative pressure readin
s are in inches of water column (" w.c.).
PRESSURE SWITCH TRIP POINTS AND USAGE CHART
MODEL
MINIMUM
NEGATIVE
PRESSURE
WITH FLUE
NOT FIRING
TYPICAL SEA
LEVEL DATA
MINIMUM
NEGATIVE
PRESSURE
WITH FLUE
FIRING
TYPICAL SEA
LEVEL DATA
PRESSURE SWITCH TRIP POINTS AND USAGE
6000 to 8500 ft. 8500 to 11000 ft.
TRIP
POINT
LABEL
COLOR
TRIP
POINT
LABEL
COLOR
Note: Replacement pressure switch number is listed below Hi
h Altitude Pressure Switch Kit number.
-0.85 -0.60 -0.55 DK BLUE -0.50 LT BLUE
Part Number 10728304 10728319 10728322 10728324 10728325 10728326 10728331 10728332 10728334 10728338
Open Setting °F 190 170 230 135 170 220 160 150 180 215
Style 2233333333
Sleeve Colors
Yellow Blue Orange Green Blue Black Brown Green Yellow
1 Green
1 Yellow
GUIC045**30 1
GUIC070**30 1
GUIC070**40 1
GUIC070**40
(10x8 Blower)
1
GUIC090**30 1 *1
GUIC090**50 1*1
GUIC115**40 1 *1
GUIC115**50 1 *1
GUIC140**50 1
*1 = The GUIC090**30 furnaces can also use primary limit part #10728332 in place of limit part #10728319 but without limit baffle part #11094802.
*1 = The GUIC115**50 furnaces can also use primary limit part #10728334 in place of limit part #10728304 but without limit baffle part #11094802.
T.O.D. PRIMARY LIMIT
*1 = The GUIC090**50 furnaces can also use primary limit part #10728331 in place of limit part #10728319 but without limit baffle part #11094802.
*1 = The GUIC115**40 furnaces can also use primary limit part #10728332 in place of limit part #10728319 but without limit baffle part #11094802.
Part Number 10728302 10728306 10728312 10728318 10728319 10728327 10728328 10728329 10728338
Open Setting °F 150 200 160 240 170 120 210 130 215
Style222222223
Sleeve Colors
Green Black Red Tan Blue Brown Yellow Oran
e
1 Green
1 Yellow
GCIC045**30 1
GCIC070**30
1
GCIC070**40 1
GCIC070**40
(10x8 Blower)
1
GCIC090**30
1
GCIC090**50 1
GCIC115**40
1*1
GCIC115**50 1
GCIC140**50
1
T.O.D. PRIMARY LIMIT
*1 = The GCIC115**40 furnaces can also use primary limit part #10728329 (130°F) in place of limit part #10728327 (120°F).
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