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Figure 58 – Flame Sight Glass
CH Return Temperature
Sensor
(7855P-097)
Exhaust Temperature
Sensor (7855P-092)
Temperature
Resistance
(◦F)
(Ω)
-4
62162
5
48440
14
38045
23
30107
32
23998
41
19261
50
15562
59
12655
68
10353
77
8520
86
7051
95
5867
104
4908
113
4125
122
3485
131
2957
140
2520
149
2157
158
1854
167
1600
176
1386
185
1205
194
1051
203
920
212
808
Table 32 – Temperature Sensor Resistance
CH Supply Temperature
Sensor
(7855P-030)
Temperature
Resistance
(◦F)
(Ω)
-4
28409
5
22152
14
17408
23
13782
32
10990
41
8824
50
7131
59
5800
68
4747
77
3906
86
3233
95
2690
104
2250
113
1891
122
1598
131
1356
140
1155
149
989
158
850
167
733
176
635
185
552
194
482
203
421
212
370
Outdoor Temperature
Sensor
(7855P-084)
Outside
Resistance
Temperature
(Ω)
(◦F)
-4
99200
5
74229
14
56090
23
42790
32
32930
41
25550
50
19990
59
15760
68
12510
77
10000
86
8050
95
6520
104
5310
113
4350
122
3590
71
Indirect Tank Sensor
(7250-325)
Temperature
Resistance
(◦F)
(Ω)
32
32624
41
25381
50
19897
59
15711
68
12493
77
10000
86
8056
95
6530
104
5324
113
4365
122
3599
131
2982
140
2483
149
2079
158
1748
167
1476
176
1252
185
1066
194
912
203
782
212
674
WHL-032 REV. 6.2.16
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