8. Remove the flange.
9. Clean the boiler scale carefully with hand or with a tool (depending on the device type).
5.2 Resistance Check
Wire Integrity Test
• Set the test device to OHM reading.
• Connect the two cables of the test device to the two terminals of the resistance.
• Test device should read the resistance (ohm) value of the resistance; if it does not give any
reading, resistance is disabled.
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