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How
to troubleshoot gas water heater SEARCH this page using Ctrl+F for browser Find feature |
| Page 1: General troubleshoot resources | ||
| Emergency? | Leave
house if you smell gas. Do not turn on light switch or touch any light switch or electrical device that might cause static spark Turn off gas When gas handle is perpendicular across gas line, then gas is OFF  Resources Emergency steps for leaking water heater Troubleshoot leaking water heater Flooded water heater How to light gas water heater |
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| Not enough hot water? | IF
water inside tank is hot, then
plumbing is suspect. Open drain valve and check if water is hot Resources: Low hot water pressure Crossover Broken pipe or leaks running hot out of tank Hot water connected to toilet or outdoor spigot Mixing valve is broken Other valves not functioning Recirculation system needed or not functioning |
IF water is not hot, then water heater is suspect. Open drain valve and check if water is hot Resources: Test gas valve thermostat Broken dip tube Undersized water heater Other reasons are covered on this page |
| Water too hot? | Water
too hot? Troubleshoot gas control thermostat Stacking |
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| Common water heater problems | Common
water heater problems: Low hot water pressure Stacking Crossover Flooded water heater Leaking water heater Water heater sounds like its running water |
General
how-to Find age of water heater How to replace drain valve Clean sediment out of tank and periodic flushing Thermal expansion tank Noisy-gas-water-heater/ pdf Tank water heater forum |
| Water too cold? | Open drain valve and see if tank
has hot water If water inside tank is hot, then check for water leak somewhere. Check for crossover Crossover If water inside tank is cold, then check for water leak somewhere. Troubleshoot thermostat Troubleshoot gas control thermostat |
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| New water heater? | How to install gas water heater Which is best gas water heater |
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| Solar | Heat
with solar Connect PV water heater / low voltage Connect PV water heater / high voltage |
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| Forum | Tank forum | |
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Prevent
problems Maintain water heater to last years beyond warranty. How to maintain water heater 1) Read about odor, prevent rusting with anode rods 2) Read about stray current corrosion 3) How to flush water heater Clean sediment out of tank 4) Inspect for leaks 5) 9 ways to save with water heater 6) Water heater safety precautions 7) Repair water heater valves 8) Clean burner and combustion chamber 9) Read manual and follow maintenance schedule |
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| Install
water heater How to install gas water heater How to install electric water heater Other options Gas water heater timer Add another thermostat to gas or electric water heater Calculate water heater recovery for gas and electric Cost of running gas water heater |
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Corrosion
of parts. Chemicals can damage burner parts Do not expose water heater to stored chemicals, swimming pool chemicals, laundry equipment Remove chemicals from same room as water heater. -Chemicals corrode water heater parts and vent pipe. 'Spray propellants, cleaning solvents, refrigerants, swimming pool chemicals, calcium and sodium chloride, household bleach, waxes and process chemicals are corrosive at very low levels with no odor." Poor venting can damage parts When there is inadequate draw, the water vapor cools and condenses on inside wall of vent pipe. This condensation water is acidic (pH 3-5) and corrosive. It will corrode steel metals and other materials. Improper venting causes water to drip down vent into combustion chamber of gas water heater. Parts inside combustion chamber rust. Holes develop in bottom of water heater. Inspect combustion chamber for rust and water. Avoid corrosive atmospheres / pdf |
| 14 things needed for gas water heater & .pdf resources | |
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What you need for
operation of gas water heater. Next pages 1) Basic parts and operation 2) Adequate incoming air supply ... issues: closed doors, tightly insulated house, very hot attic. 3) Adequate air supply getting to burner... issues: dirty vent screen, dirty environment, maintenance. 4) Thermal cutoff ... TCO ... issues: failed part, maintenance, vent. 5) Flammable vapor lockout .... issues: exposure to vapors, bad FV sensor, failed FV system, 6) Fuel supply to gas valve thermostat ... natural gas and propane are different ... issues: wrong gas, low pressure, moisture in pipe, undersized gas meter, supply line too small for BTU rating. 7) Gas valve thermostat regulates fuel supply ... issues: not enough gas, failed thermostat, failed gas control valve. 8) Fuel supply from thermostat to burner ... issues: maintenance, thermocouple-thermopile, gas control valve. 9) Clean and replace burner ... issue: periodic maintenance requires burner inspection, cleaning, and possible replacement 10) Functioning thermopile-thermocouple-pilot light ... issues: misalignment, failure of part. 11) Ignition of fuel supply by pilot light or hot surface igniter ... issues: pilot light, piezo igniter, electrode. 12) Power vent water heater troubleshoot ... issues: pressure switch, blower, blower sequence from gas control, outlet polarity 13) Venting combustion byproduct .... issues: vent in disrepair, other vents in house drawing air 14) Misc troubleshoot manuals |
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Support
the economy: Buy water heaters from my associate links: 50 gallon Gas water heaters at Amazon 40 gallon gas water heaters at Amazon 50 gallon Electric water heaters at Amazon 40 gallon electric water heaters at Amazon Hybrid / heat pump/ water heaters at Amazon Resources: How to install gas water heater How to install electric water heater Troubleshoot gas water heater Troubleshoot electric water heater Point of use water heaters |
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Resource: Compare box timers DPDT timers Intermatic Control water heater w/ Z-wave |
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Resource: Intermatic control centers: and parts Digital control centers and parts Tork control centers and parts Subpanels All control centers and parts Enclosures |
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Resource: Programmable timers Countdown timers Off delay timers On delay timers Timer modules Din rail Twin & one-shot Woods Intermatic Tork |
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Recirculation systems |
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