Water THERMO Switches
- Remove switch from lower left hand corner of radiator. The switch will have Green/Red and Black wires attached to it.
- Place the switch in water with a thermometer and heat up water gradually. Check the temperature at which continuity exists between both terminals of the switch.
- The switch should show continuity at 59.4-66.6°F (15-19°C). Replace the switch if it does not agree with standard value.