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SBN71-120 thru SBN85-390, SBD30-150/199 TANK TYPE COMMERCIAL
GAS WATER HEATER SERVICE HANDBOOK
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Ashland City, Tennessee 7002 ©
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
.....neht…fI
Test indicates no continuity Replace probe.
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resistance for water temperature). (Reading will
be approximate.)