SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL
GAS WATER HEATER SERVICE HANDBOOK
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TEST 4 - UPPER TEMPERATURE PROBE CONTINUITY CHECK
Conditions:
●
Power On - Water below temperature
set point.
●
Red, water heater control “Reset
Status” LED-OFF
●
Call For Heat” LED off.
Ohms Resistance Table
° F
Ohms
70°
11,884
120°
3,759
140°
2,488
180°
1,169
TEST 4
Upper Temperature probe continuity check
Red wire to red wire - Turn supply power "Off" for this test
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Test indicates
no continuity
Replace probe.
Continuity
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resistance for water temperature). (Reading will
be approximate.)
