Welcome to Water Heater Repair Guide


Want to learn how to repair your water heater?

Maybe you just want to know what's wrong with it before you call a repairman.

water heater gas valve

In most areas you can expect to pay $100.00 to $150.00 for a simple repair.

Many problems are easy fixes. Some are more complicated.

You should only attempt repairs if you feel confident to do so safely.


Most hot water problems are covered on this site. If you find yourself with limited resources and no hot water, you should find the information you need here


Here are some of the things you'll find on this site:

How to use a multimeter.

• How to solve low hot water pressure problems.

• How to check or replace a relief valve.

• What to do when a drain valve is clogged.

Water heater sizing guide.

Maintenance tips for both gas and electric water heaters.

• How to light a pilot light.

• Best price on under sink water heater.



Storage water heater

storage water heater Also referred to as tank-type or tank style water heaters. Residential water heating units range in size from 2 1/2 gallon to 120 gallons. Most common are electric and gas ( natural and lp).

Gas units are popular among larger families because of their quick recovery. Operating cost of a gas unit depends on the area you live in and time of year.

Liquid propane ( lp ) can range from $.80 a gallon during the summer months to more than $3.00 a gallon in winter months. Natural gas prices do not fluxuate as much.

Gas units have generally become more complicated and less reliable over the last several years.

With the event of digital gas valves, inaccessible fresh air vents mounted in the bottom of the unit, hard to find unusual parts, homeowners find themselves paying for high price service calls for what was once a simple do-it-yourself repair.

If you are shopping for a new gas unit, keep it simple if you expect to do future repairs yourself. Look for a heater with the old tried and true manual gas valve. Fresh air vents should be on the side of heater where the filters are easily accessible.

The thermocouple should have standard right hand threads that have been used for the last 70 or so years. Left hand thread thermocouples are hard to find and cost much more than the standard thermocouple.

Improvement to electric units have been great for consumers. Low watt density elements create less sediment and last much longer than standard high watt density elements. Less sediment means longer tank life. Two anode rods instead of one also increases the life expectancy of the tank.




Heat Pump Water Heaters

heat pump water heater

Heat pump water heaters pull hot air from the surrounding area and use it to heat the water. The unit will then exhaust cool air back into the room, unless its vented outside.

A heat pump can be added to your existing water heater. It can be mounted on top of the heater or near it.

Complete systems include a heat pump and tank.The heat pump itself can be 120 volts or 240 volts. All heat pump systems come with a back-up heating elements. The heat pump will shut down if the room temperature drops below a preset range. The heating elements will then take over and keep your water hot.

With 60 degree incoming water temperature and a room temperature of 80 degrees, a heat pump will heat 12 to 18 gallon of water per hour to 130 degrees and cool your home or garage at the same time.

New systems prices start around $1000.00. Thanks to GE for the pic. above

In an area with very warm or no winters, these systems could heat your water and cool your home at the same time.




Tankless Water Heaters

storage water heater

Tankless, also called "on demand" or "Instant" water heaters have become very popular over the last several years. Unlike a storage or tank-type water heater, tankless units only heat water when you need it.

Perhaps the most appealing aspect of tankless units is a never ending supply of hot water. You could, literally, fill a swimming pool with hot water if you wished, not to mention long hot showers.

Tankless units are sized by gallons per minute of hot water produced. Smaller units that produce one to four gallons per minute are very popular. They are used for hand washing sinks, outdoor kitchens, camping showers, work shops and many other applications.

Larger units are used for whole house water heating. Seven to nine gallons per minute will meet the needs of most families

Mid winter incoming water temperature plus hot water needs must be considered when sizing a tankless unit.

Tankless water heaters take up much less space than a conventional storage water heaters. The larger units are smaller than the average size suitcase.

You can purchase a tankless unit that operates on electricity, natural gas or liquid propane. Gas units are popular, especially for whole house water heating. Outdoor units are also available, eliminating the need for complicated venting.

How much can you save on your water heating bill? Estimates run from twenty to fifty percent.






Table Of Content

Scroll down for dozens of step by step repair guides with pictures.



Sitemap -Water-heater-repair-guide
Use our sitemap to find all of our water heater repair guides.
Hot Water Heater Repair - Problems
Hot water heater repair, step by step tutorials. Tools you'll need, troubleshooting guides, covers both gas and electric water heater repair.
Water Heater Troubleshooting - DIY Guide
Water heater troubleshooting guide. Step by step instruction with pictures. Water heater repair made easy with...
Water Heater Thermocouple - Thermocouple Replacement Guide
Water heater thermocouple troubleshooting and replacement guide. Install a pilot thermocouple with this step by step guide
Water Heater Pilot Light Lighting Instructions
Step by step guide with pictures for lighting your water heater pilot light
Water Heater Gas Valve Information
Water heater gas valve problems can be diagnosed by checking the...
Water Heater Pilot Orifice
How to check and clean a water heater pilot orifice. If your water heater pilot light...
Electric Water Heater Troubleshooting - Repair Guide
Electric water heater troubleshooting - Do you have hot water heater problems? We have electric water heater repair guides and testing..
Electric Water Heater Repair Problems
Do-it-yourself electric water heater repair. Step by step guides with pics. Tools you'll need, troubleshooting guide and...
Check Your Water Heater Power - Solve Water Heater Problems
Check your water heater power. How to check for hot water heater problems.
Water Heater Thermostat How To Guide
Everything you wanted to know about your water heater thermostat. How to check, replace..
Water Heater Elements
Water Heater Elements - How to test or replace a an element. Buyers guide, faq, did you know...
Water Heater Reset Button - Why It Trips Off
About your water heater reset button. How to check it, reset it, replace it. What to do if...
Hot Water Heater Troubleshooting
Hot water heater troubleshooting guide. Problems common to both gas and electric tank type water heaters.
Water Heater Temperature - Water Heater Setting
Water heater temperature - How to adjust the temperature on electric and gas water heaters. What temperature should I...
Low Hot Water Pressure - What You Can Do
How to solve low hot water pressure problems. Hot water heater pressure should be...
How To Use A Multimeter - How To Read A Multimeter
How to use a multimeter. Simple instruction with pics. Use an analog multimeter to check your...
Water Heater Noise Problems
If water heater noise is keeping you up at night, or has you worried, read on to see whats...
Water Heater Relief Valve - TPR Valve Opening
Water heater relief valve or pressure relief valve - How to test yours. How to replace a relief valve on your water heater. Why is it...
Water Heater Drain Valve
How to replace a water heater drain valve without draining your water...
Water Heater Sizing
Water heater sizing guide. What size water heater do you really...
How Hot Water Heaters Work
How hot water heaters work - Gas and electric tank type water heaters.
Water Heater Maintenance
Water heater maintenance guide. Prevent future problems, save energy,extend the life of your water heater. How to with.
Flush Hot Water Heater - Water Heater Flush
How to flush hot water heater. Flush your water heater tank using our free step by step guide with pictures.
Drain Water Heater
Drain water heater with these step by step instruction with pics. If your hot water heater drain is clogged...
Cleaning Hot Water Heater
Cleaning hot water heater - With these step by step instructions with pics.
Smelly Water - Water Heater Odor
If you have smelly water coming from your water heater follow the directions below to...
Water Heater Life Expectancy
The average water heater life expectancy has diminished over the years. How long will your water heater...
Point Of Use Water Heater
Looking for a point of use water heater? Check our prices and reviews. Install under sink water heaters with...
Under Sink Water Heater
Looking for an under sink water heater? With these under sink point of use water heaters you'll have hot water...
Under Sink Water Heaters - Point Of Use Water Heater
Looking for under sink water heaters? Check our prices and reviews. These under sink point of use water heaters can be installed...
Small Hot Water Heater - Small Electric Water Heater
Looking for a small hot water heater? This small residential water heater includes free...
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