PROBLEM

 

POSSIBLE CAUSE(S)

 

CORRECTION

 

 

 

 

 

 

1.

Thermostat set too low

1.

Turn temperature dial to desired setting

 

2.

Sediment or lime in tank

2.

Drain/flush-provide water treatment if need-

 

 

 

 

ed

 

3.

Water heater too small

3.

Install adequate size heater

 

4.

Wrong piping connections

4.

Correct piping-dip tube must be in cold inlet

INSUFFICIENT HOT WATER

 

 

5.

Repair faucets

 

5.

Leaking faucets

6.

Advise customer

 

6.

Wasted hot water

7.

Insulate piping

 

7.

Long runs of exposed piping

8.

Insulate piping

 

8.

Hot water piping in outside wall

9.

Check with gas utility company

 

9.

Low gas pressure

 

 

 

 

 

 

 

 

1.

Insufficient secondary air

1.

Provide ventilation to water heater. Check

 

 

 

 

flue way, flue baffle and burner

 

2.

Flue clogged

2.

Clean flue, locate source and correct

 

3.

Low gas pressure

3.

Check with gas utility company

SLOW HOT WATER RECOVERY

4.

Improper calibration

4.

Replace gas control/thermostat

5.

Gas control/thermostat set too low

5.

Turn temperature dial to desired setting

 

6.

Water heater too small

6.

Install adequate size heater

 

7.

Wrong piping connections

7.

Correct piping-dip tube must be in cold inlet

 

8.

Wasted hot water

8.

Advise customer

 

 

 

 

 

 

 

 

 

1.

Excessive water pressure

1.

Use a pressure reducing valve and relief

 

 

 

 

valve

DRIP FROM RELIEF VALVE

2.

Heater stacking

2.

Lower the thermostat setting

 

3.

Closed water system

3.

See “Closed System/Thermal Expansion”

 

4.

Temperature setting too high

4.

Decrease the temperature setting

 

 

 

 

 

THERMOSTAT FAILS TO SHUT

1.

Defective gas control/thermostat

1.

Replace gas control/thermostat

OFF

2.

Improper calibration

2.

Replace gas control/thermostat

 

 

 

 

 

 

1.

Insufficient secondary air

1.

Provide ventilation to water heater. Check

COMBUSTION ODOURS

 

 

 

flue way, flue baffle, burner

2.

Flue clogged

2.

Clean, locate source and correct

 

 

3.

Heater installed in a confined area

3.

Provide fresh air ventilation

 

 

 

 

 

 

1.

Insufficient secondary air

1.

Provide ventilation to water heater. Check

 

 

 

 

flue way,flue baffle, burner

SMOKING AND CARBON FOR-

2.

Low gas pressure

2.

Check with gas utility company

3.

Flue clogged

3.

Clean, locate source and correct

MATION (SOOTING)

4.

Defective gas control/thermostat

4.

Replace gas control/thermostat

 

 

5.

Heater installed in a confined area

5.

Provide fresh air ventilation

 

6.

Burner flame yellow-lazy

6.

See “Burner Flame Yellow-Lazy”

 

 

 

 

 

CONDENSATION

1.

Temperature setting too low

1.

Increase the temperature setting

2.

Water heater too small

2.

Install adequate size heater

 

 

 

 

 

 

 

1.

Orifice too large

1.

Replace with correct orifice

BURNER FLAME FLOATS AND

2.

High gas pressure

2.

Check with gas utility company

3.

Flue clogged

3.

Clean flue and burner-locate source & cor-

LIFTS OFF PORTS

 

 

 

rect

 

 

 

 

 

4.

Cold drafts

4.

Locate source and correct

 

 

 

 

 

BURNER FLAME TOO HIGH

1.

Orifice too large

1.

Replace with correct orifice

 

 

 

 

 

 

1.

Defective gas control/thermostat

1.

Replace gas control/thermostat

FLAME BURNS AT ORIFICE

2.

Low gas pressure

2.

Check with gas utility company

 

3

Orifice not properly installed

3

Reinstall the orifice

 

 

 

 

 

– 23 –

Page 22 Page 24
Page 23
Image 23
GSW 72090 manual Thermostat Fails to Shut
Page 22 Page 24

72090 specifications

The GSW 72090 is a remarkable addition to the world of modern heating solutions, designed to provide efficient and effective space heating. It epitomizes advanced technology, reliability, and user-centric design, making it an ideal choice for homes and commercial spaces alike.

One of the main features of the GSW 72090 is its impressive heating capacity. Engineered to deliver optimal warmth, it can efficiently heat larger areas, ensuring that spaces remain comfortable even during the coldest months. The unit’s high-grade alloy construction enhances durability and helps maintain consistent performance over time.

A vital technology integrated into the GSW 72090 is its modulating control system. This system intelligently adjusts the temperature output based on the current heating demand, optimizing energy usage and contributing to lower utility bills. This efficiency not only benefits the consumer but also has a positive impact on the environment by reducing greenhouse gas emissions.

The GSW 72090 also boasts a sleek and modern aesthetic, making it an attractive addition to any space. Its design allows for easy installation and maintenance, ensuring that users can focus on comfort without worrying about the complexities of upkeep. The unit operates quietly, providing a peaceful environment without the disruptive noises often associated with traditional heating systems.

Incorporating safety features is another key characteristic of the GSW 72090. It includes overheat protection, which automatically turns the unit off if it detects excessive temperatures, ensuring a safe environment for occupants. Additionally, the product is constructed with materials that are resistant to corrosion and wear, enhancing longevity.

As an environmentally conscious option, the GSW 72090 is designed to comply with stringent energy efficiency regulations. Its performance not only meets but often exceeds the required standards, making it a smart choice for those looking to reduce their carbon footprint.

Overall, the GSW 72090 stands out due to its combination of advanced technologies, user-friendly features, aesthetic appeal, and commitment to safety and efficiency. Its multi-faceted capabilities make it a prime option for anyone seeking reliable and effective heating solutions in their home or business.
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