$18,000 - $20,000. More than $20,000. The total amount spent per pupil by district in the 2011-12 school year by elementary and K-12 districts. The darker the color, the higher the spending.
b) Set a voltmeter to the 300 volts scale. Place test probes on terminals 1L and 3L (see diagram) of the high limit portion of the thermostat. The meter reading should be the input voltage of the heater (see rating plate of the water heater). If not correct voltage, check for loose connections and blown fuse or tripped circuit breaker. c) To verify that the high limit switch is closed, place test probes onto terminals 2L and 4L (see diagram).
Adjusting the temperature on electric water heaters. Follow these steps when adjusting the temperature on electric water heaters: 1  Before you do any adjustments, measure the temperature of hot water at the tap. 2  The goal is to adjust the temp. to approximately 120 F or whatever you require.urn the electricity OFF to the heater. Do not try to adjust the temperature with the power ON. In order to access the thermostats, both lower and upper one, remove the access panels and foam insulation that covers the thermostats.