DHW Inlet Temperature Sensor (7850P-015) Exhaust Temperature
Sensor (7850P-070)
Temperature (°F/ °C)
Resistance (Ω)
-4 / -20
5 / -15
14 / -10
23 / -5
32 / 0
41 / 5
50 / 10
59 / 15
68 / 20
77 / 25
86 / 30
95 / 35
104 / 40
113 / 45
122 / 50
131 / 55
140 / 60
149 / 65
158 / 70
167 / 75
176 / 80
185 / 85
194 / 90
203 / 95
212 / 100
Figure 54 – Flame Sight Glass
Resistance (Ω)
28409
22152
17408
13782
10990
8824
7131
5800
4747
3906
3233
2690
2250
1891
1598
1356
1155
989
850
733
635
552
482
421
370
Visual check Port
Port should show
blue flame.
DHW Inlet Temperature Sensor (7850P-015) Exhaust Temperature
Sensor (7850P-070)
Temperature (°F/ °C)
Resistance (Ω)
-4 / -20
5 / -15
14 / -10
23 / -5
32 / 0
41 / 5
50 / 10
59 / 15
68 / 20
77 / 25
86 / 30
95 / 35
104 / 40
113 / 45
122 / 50
131 / 55
140 / 60
149 / 65
158 / 70
167 / 75
176 / 80
185 / 85
194 / 90
203 / 95
212 / 100
75
Resistance (Ω)
62162
48440
38045
30107
23998
19261
15562
12655
10353
8520
7051
5867
4908
4125
3485
2957
2520
2157
1854
1600
1386
1205
1051
920
808
AP18733 REV. 3.2.17