Question

an energy cut out in a water heater replaces the aquastat the thermostat the temperature function of the tpr valve the barometric damper the thermocouple or flame sensor question 14 which of the following statements about fan assisted gas water heaters is false? they do not need a chimney they are high - efficiency the venting system can be abs or pvc piping they use lots of dilution air from the house they typically have an automatic ignition system and a blower controlled by a pressure switch

Explanation:

1. For the first question, an energy - cut out in a water heater replaces the thermostat. The energy - cut out is a safety device that monitors temperature and power supply, similar in function to a thermostat which controls the heating element based on water temperature.
2. For the second question, fan - assisted gas water heaters are sealed combustion units and do not use lots of dilution air from the house. They draw combustion air from outside and exhaust gases outside, making this statement false.

Answer:

Question 1: the thermostat
Question 2: they use lots of dilution air from the house