Goodman GMH8 Technical Manual page 8
Gmh8 33-3/8" 80% gas furnace 80% afue, 2-stage (convertible), multi-speed, upflow/horizontal
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Also See for GMH8:
- Installation instructions manual (32 pages) ,
- Service instructions manual (66 pages) ,
- Installation instructions manual (32 pages)
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PRODUCT DESIGN
ROLLOUT LIMIT SWITCHES
Part Number
Open Setting (°F)
GMH80403A***
GMH80603A***
GMH80604B***
GMH80803B***
GMH80804B***
GMH80805C***
GMH81005C***
GMH81205D***
GMH81405DNCC
8
PRESSURE SWITCH TRIP POINTS
AND USAGE CHART
MODEL
GMH80403A*BB
GMH80603A*BB
GMH80604B*BB
GMH80803B*BB
GMH80804B*BB
GMH80805C*BB
GMH81005C*BB
GMH81205D*BA
GMH81405DNCC
For installaions in Canada, the GMH8 furnace is certified only to 4,500 ft.
* Negative pressure readings are in inches of water column (*w.c.)
PRIMARY LIMIT
Part Number
20162904
150
Open Setting (°F)
GMH80403A*BB
GMH80603A*BB
GMH80604B*BB
GMH80803B*BB
GMH80804B*BB
GMH80805C*BB
GMH81005C*BB
GMH81205D*BA
GMH81405DNCC
10123529
300
2
2
2
2
2
2
2
2
2
TRIP POINT
ID BLOWER
ID BLOWER
PRESSURE
PRESSURE
SWITCH
SWITCH
PART #
-0.70
B1370158
-0.75
B1370179
-0.75
B1370179
-0.70
B1370158
-0.70
B1370158
-0.75
B1370179
-0.70
B1370158
-0.80
0130F00042
-0.80
0130F00042
20162903
20162901
160
210
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GMH8***BB
GMH81405DNCC
AUXILIARY LIMIT SWITCHES
0130F00038
Part Number
Open Setting (°F)
120
GMH80403A***
1
GMH80603A***
1
GMH80604B***
1
GMH80803B***
1
GMH80804B***
1
GMH80805C***
1
GMH81005C***
1
GMH81205D***
1
GMH81405DNCC
1
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