$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).
Once you've adjusted both of the thermostats to the same temperature, replace the insulation and screw on the metal covers. Then turn on the power supply to the water heater at the switch or breaker box near the unit and also in the home's main breaker box.ome Water Heater Thermostat Temperature Adjustment Guide How to easily change the temperature settings on the two thermostats in a common household water heater unit. Main Menu Home Digital Cameras Misc.