State Industries SUF-130- 300/400/500 Water Heater User Manual


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MAINTENANCE SCHEDULE
TABLE 14
COMPONENT OPERATION INTERVAL REQUIRED
Tank 
Removal
Semi Annually Flushing
Tank 
Removal
Semi Annually UN-LIME®
 

Annually 
Deposits
T&P Valve Test Operation Semi Annually Test
Vent System  Annually Termination

Reseal/Repair
DRAINING AND FLUSHING

       



Burn harzard.
Hot water discharge.
Keep hands clear of drain
valve discharge.
To drain the water heater storage tank:
 
 Turn off the gas supply at the Main Gas Shutoff Valve if the

 
 

 

 
 

           

 


MAINTENANCE
GENERAL



    
      
       
           



PRECAUTIONS
Do not operate the water heater if it has
been exposed to or exhibits the following:
Flooding at or above the level of the burner or controls.
•
External damage.
•
Firing without water.
•
Sooting.
•
Do not operate the water heater until all corrective steps
have been made by a qualified service agent.
CAUTION




Explosion Hazard
Overheated water can cause
water tank explosion.
Properly sized temperature and
pressure relief valve must be
installed in the opening provided.


    
      
       

        
        

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