RESISTANCE THERMISTOR FLOW

Isolate Mains Power to appliance as per TOPs P4

Set Multimeter to Resistance

Remove the air intake and flue interface
Remove flow thermistor electrical connector

Measure for resistance across the exposed pins of the flow thermistor.

Note:
Clicking on the resistance table will switch between table and graph view.

Resistances vary with temperature and should conform approximately to the table below: