1. Boilers
Speaker: Jennifer Won
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.
– 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 Electric Gas A. = cold in B. = hot out
G. = anode rod
H. = thermostat
I. = electric heating elements
O. = burner
Electric
Gas
Reference:

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 ………………………..