Types

Family

Model

SYMPTOMS
  • Too Cold
  • Too Hot
  • Not Enough Hot Water - Gas
  • Not Enough Hot Water - Electric
 
CAUSES
  • Thermostat not satisfying or activating at the set temperature
  • Grounded element (electric models only)
  • Cracked, missing, and short dip tube
  • Thermostat differential is too large
  • Inappropriate thermostat setting
  • Slow leak in piping
  • Stratification of water temperatures in the tank
 

Identifying the Problem

Symptoms Causes Means of Treatment
Too Hot Inappropriate thermostat setting
Thermostat not satisfying at set temperature
Stratification
see Bulletins 31, 32, 34
Too Cold Inappropriate thermostat setting
Thermostat not activating at set temperature
Cracked, missing, or short dip tube
see Bulletins 31, 35, 36
Not Enough Hot Water
(Gas)
Cracked, missing, or short dip tube
Thermostat differential is too large
Slow leak in piping
see Bulletin 35
Not Enough Hot Water
(Electric)
Cracked, missing, or short dip tube
Thermostat differential is too large
Slow leak in piping
Grounded element
see Bulletin 36