State Industries STC-080 manual WHY Water Heater Tanks Leak What Prevention

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RESIDENTIAL GAS, NON POWER VENTED, WATER HEATER

SERVICE HANDBOOK

WHY WATER HEATER TANKS LEAK

WHAT

WHY

PREVENTION

Water

Water expands when it is heated

A Temperature and Pressure Relief

Pressure

(Thermal Expansion). Water

Valve limits pressure to a

 

cannot be compressed.

maximum.

 

Excessive Pressure in the tank

Adding a Thermal Expansion Tank

 

causes failure of joints, welds or

limits pressure to near supply water

 

gaskets.

pressure.

 

 

 

Condensation)

Products of combustion contain

Install a water heater with capacity

 

moisture. As the combustion

to minimize significant stored water

 

products cool the moisture

temperature drop during usage.

 

becomes liquid – carbonic acid.

Store water at a higher temperature

 

The acid attacks the metal.

– install a mixing valve to reduce

 

Higher efficiency water heaters

danger of scalding.

 

have cooler gases.

 

 

Recommended water storage

 

 

temperatures create cooler

 

 

surfaces.

 

Contaminated

Bleaches, floor waxes,

Supply the heater with clean air.

Air

detergents, salt and many other

“Direct Vent” water heaters use air

 

household products contain

from outside of the building for

 

chemicals which, when drawn into

combustion.

 

contact with a flame (a gas water

 

 

heater uses 12 cubic feet of air for

 

 

each 1000 BTU of heat

 

 

generated). When these

 

 

chemical vapors or dusts come

 

 

into contact with a flame or

 

 

electrical contact, various acids

 

 

form. These acids attack the

 

 

metal.

 

Soft Water

Soft water minimizes mineral

A metal “Anode” rod within the tank

 

buildup within the tank. Minimal

helps to prevent internal corrosion.

 

minerals maintain the water

Maintain the self sacrificing “anode”

 

heater at high efficiency but may

rod by inspecting the rod annually

 

also expose interior surfaces to

and replacing when large “gouges”

 

corrosion. Mineral buildup in

appear in its surface.

 

some heaters prevents them

 

 

leaking while greatly reducing

 

 

efficiency.

 

State Water Heater

23

Technical Training Department

© 2004

 

Ashland city, TN

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Contents NON Power Vented Models Standard Residential GAS Water HeatersTable of Contents Residential GAS Service Handbook IntroductionTools Required Miscellaneous InformationFormulas To convertConstruction Installation of Residential GAS Water Heater Residental GAS Water Heater Service Normal Operation Residential GasResidential Gas Setting Approximate Temperature F Degree Burns on Adult SkinService 000Fuel BTUIf … … then TestElectrical Testing Thermocouple output test Procedures/ConditionsSooting causes If … … then Safety drop out test ProceduresIf… … then CondensationCondensation is a mild acid it will corrode steel Exhaust Venting Notes Flammable Vapor Ignition Resistant Fvir DesignPossible Service issues associated with a blocked screen LDO Screen LINT, DUST, OIL ScreensFlame Arrestor Combustion Chamber Temperature Sensor Possible service issues associated with the flame arrestorONE Piece Pilot Burner Assembly To replace a pilot assembly Sealed Combustion ChamberFive point inner door seal inspection Important Service Reminder Other featuresPiezo Igniter WHY Water Heater Tanks Leak What Prevention What WHY Prevention Water ConditionsGeneral EffectsFIX Symptoms CauseAluminum Hydroxide If tank is new with no lime build-up to any degreeDiscolored Water TreatmentSmelly Water Chlorination Procedure ProcedureNot Enough HOT Water GAS TestThermal Expansion FIX Leaking Temperature and Pressure Relief Valve Symptoms General FIX

STC-080 specifications

The State Industries STC-080 is a high-efficiency water heater designed to meet the demands of residential and light commercial applications. With its strategic engineering and innovative technology, it offers a reliable solution for those seeking comfort, efficiency, and sustainability in water heating.

One of the main features of the STC-080 is its exceptional efficiency rating. It operates with an impressive Energy Factor (EF) that not only reduces energy consumption but also translates into lower utility bills for users. The unit utilizes a streamlined heat exchanger design, optimizing heat transfer and minimizing energy loss. This design ensures that users can enjoy hot water on demand without the worry of excessive energy expenditure.

The STC-080 is equipped with advanced heating technologies, including a dual-flame burner system. This system ensures rapid heating while providing consistent water temperature, which is essential for residential applications where demand can vary throughout the day. The integration of advanced controls also allows for precise temperature adjustments, giving users full control over their hot water supply.

Durability and reliability are key characteristics of the STC-080. Constructed from high-quality materials, it features a heavy-duty steel tank with a glass-lined interior that provides excellent corrosion resistance. This not only enhances the product's longevity but also ensures consistent performance even in challenging water conditions. Additionally, the unit includes an anode rod that further protects against corrosion, extending service life and reducing maintenance needs.

The STC-080 is designed for easy installation, with flexibility that accommodates various plumbing setups. Its compact design allows for placement in tighter spaces, making it an ideal choice for homes where space is at a premium.

Safety is another priority with the STC-080. It includes multiple safety features such as a temperature and pressure relief valve, ensuring safe operation. The unit also complies with stringent industry standards, providing peace of mind to homeowners and businesses alike.

In summary, the State Industries STC-080 is a standout water heating solution that combines efficiency, reliability, and advanced technology. With its robust construction and user-friendly features, it caters to the evolving needs of both residential and light commercial users, making it an excellent investment for those looking to enhance their water heating systems while being conscious of energy usage.