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SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL
GAS WATER HEATER SERVICE HANDBOOK
TEST 4 - UPPER TEMPERATURE PROBE CONTINUITY CHECK
Conditions:
●Power On - Water below temperature set point.
●Red, water heater control “Reset Status”
●Call For Heat” LED off.
Ohms Resistance Table
° F | Ohms |
70° | 11,884 |
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120° | 3,759 |
140° | 2,488 |
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180° | 1,169 |
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TEST 4
Upper Temperature probe continuity check
Red wire to red wire - Turn supply power "Off" for this test
If… | then |
Test indicates no continuity | Replace probe. |
Continuity is indicated | Probe should be okay (also verify Ohms |
| resistance for water temperature). (Reading will |
| be approximate.) |
State Water Heaters | 37 | Technical Training Department |
Ashland City, Tennessee © 2007 |
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