Speaker: Jennifer Won

1
Speaker Jennifer Won
Boilers

• Objective
• To discuss common types of boilers with a focus
  on gas and electric models, and how they work.

2
Definition of a Boiler

• Dictionary
• An enclosed vessel in which water is heated and
  circulated, either as hot water or as steam, for
  heating or power.
• A container, such as a kettle, for boiling
  liquids.
• A storage tank for hot water.
• www.dictionary.com American Heritage Dictionary
  of the English Language

3
Types of Boilers

• Fire Tube and Water Tube
• Conventional Storage
• Demand
• Tank Less Coil

4
Conventional Storage

• A. cold in
• B. hot out
• G. anode rod
• H. thermostat
• I. electric heating elements
• O. burner

Electric
Gas
Reference www.howstuffworks.com
5
How It Works

• Cold water comes in at the bottom
• If hot water runs out
• Hot water is consumed faster than heated
• Bottom heating element burned out
• System is too small for the needs

6
Key Points

• Boilers can be classified as any structure that
  creates or holds hot water/vapor
• Gas or electric boilers work by the principle of
  ..