Premature Failure

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    Bulletin 4 - Premature Failure

    Bulged tank bottoms and crooked spud/nipples
    • Heavy condensation
    • Excessive heat due to lime build up above thermostat probe
    • Thermal Expansion
    • Undersized Unit
    • No Cathodic Protection
    • Heavy Mineral Deposits

    Identifying the Problem

    Symptoms  Causes  Means of Treatment 
    Thermal Expansion  Bulging heater
    Dripping temperature & pressure relief valve
    see Bulletin 41 & 45 
    Undersized  Heavy condensation
    Rust flakes on burner(s)
     see Bulletin 42  
    Cathodic Protection Only core wire present on anode rod
    Anode rod not installed in heater
    Softening to zero parts per million
    Stray voltage grounded to heater
    see Bulletin 43 & 44 
    Deliming Heavy mineral deposits in bottom of tank  see Bulletin 13