RESISTANCE LOW WATER PRESSURE SWITCH

Set Appliance State:

Isolate Mains Power to appliance as per TOPs P4

Set Multimeter to Resistance

Remove the leads from the low water pressure switch

Measurement:

Measure the resistance between the exposed
terminals on the low water pressure switch
Expected resistance short circuit.
White wire connects to terminal 1
Black wire connects to terminal 3

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Note:
There are 2 types of pressure switch available but the test points will be the same.