All rights reserved. Printed in the United States of America. Page 4 a word that matches the picture (Listening Comprehension standard score = 84) and generate words within a category, describe scenes, and give directions (Oral Expression standard score = 83).
The power is supplied by a transformer, and when the thermostat makes contact between the 24 volt power and one or two of the other wires, a relay back at the heating/cooling unit activates the corresponding heat/fan/cool function of the unit(s).
Most electric water heaters will have two thermostats, one upper and one lower, under the two control panels. For your water heater to work most effectively and efficiently, the two thermostats must be set at the same temperature. Some smaller units may only have one thermostat. Tools needed: