This topic contains a solution. Click here to go to the answer

Author Question: What controls the firing of a water boiler? A) The auxiliary switch on the zone valve B) An ... (Read 72 times)

vinney12

  • Hero Member
  • *****
  • Posts: 586
What controls the firing of a water boiler?
 
  A) The auxiliary switch on the zone valve
  B) An aquastat that senses the temperature of the water in the boiler
  C) The boiler water temperature is normally maintained by the high limit and the low water cutout.
  D) A wall thermostat that senses the temperature of the house

Question 2

How can debris be flushed from a newly installed ground loop?
 
  A) By running water through the loop after connecting it to the system.
  B) By temporarily connecting the purge unit.
  C) By adding low-toxicity antifreeze to the system.
  D) By running water through the loop before connecting it to the system.



Related Topics

Need homework help now?

Ask unlimited questions for free

Ask a Question
Marked as best answer by a Subject Expert

shewald78

  • Sr. Member
  • ****
  • Posts: 340
Answer to Question 1

B

Answer to Question 2

D





 

Did you know?

A strange skin disease referred to as Morgellons has occurred in the southern United States and in California. Symptoms include slowly healing sores, joint pain, persistent fatigue, and a sensation of things crawling through the skin. Another symptom is strange-looking, threadlike extrusions coming out of the skin.

Did you know?

Russia has the highest death rate from cardiovascular disease followed by the Ukraine, Romania, Hungary, and Poland.

Did you know?

The strongest synthetic topical retinoid drug available, tazarotene, is used to treat sun-damaged skin, acne, and psoriasis.

Did you know?

In 1844, Charles Goodyear obtained the first patent for a rubber condom.

Did you know?

There are more sensory neurons in the tongue than in any other part of the body.

For a complete list of videos, visit our video library