Serving San Diego's Plumbing Needs for Over 25 Years

Thermocouple Replacement and Testing

 

Water Heater Repair in San Diego, CA

If you own a water heater, you will need to know how to test it. You will need to know what a thermocouple is and how to read it. It is also important that you know when it is time for thermocouple replacement. This article will discuss all of these issues.

Three Types of Thermocouples

thermocouple replacement San Diego CAFirst, let’s talk about what a thermocouple is. A thermocouple is a special type of thermometer. It has two wires that connect to a heating element. The wires are connected at one end and they have a small junction box at the other end. The junction box is where the wires connect to a temperature sensor. The sensor reads the temperature in the water.

There are several different types of thermocouples. There is the standard thermocouple which is used with most domestic hot water systems. This thermocouple consists of two wires that are insulated except for a very small section of bare copper wire at each end. The wires are usually attached to the metal housing of the thermostat. The sensor is placed in the junction box and is connected to the wires. When the wires heat up, the sensor reads the temperature and sends this information to the thermostat.

Another type of thermocouple is the Type T thermocouple. This thermocouple consists only of two wires that are insulated. The wires are attached to the metal housing of a thermostat. The sensor, however, is placed in the junction box. This thermocouple is not as accurate as the standard thermocouple because it is not as sensitive to changes in temperature.

The Type K thermocouple is another type of thermocouple. It consists of three wires. The first wire is insulated except for a very small length of bare copper wire at each of the ends. The second wire is also insulated. The third wire is insulated except for a small length of bare copper wire that is wrapped around the third wire. The third wire is attached to the metal housing of an electrical thermostat. The sensor in the junction box is connected to the first wire.

You can see that there are several different types of thermometers. Each of these thermocouples has different characteristics. They have different sensitivities and different accuracy.

What happens when a thermocouple goes out?

Normally when the thermocouple malfunctions or isn’t working, it just shuts down the gas to your heating system. This is essentialespecially if the pilot light is out, due to the fact that it prevents hazardous gas from leaking into your house.

Thermocouple Replacement

water heater recirculation system San Diego CA - Black Mountain Plumbing Inc Now that you know what a thermocouple looks like and what it does, you need to know when you need to replace one. If you notice that your water is getting colder than it was before or if you notice that your water is not heating up as quickly as it used to, then it may be time for thermocouple replacement.

In order to replace your thermocouple, you will need to remove the metal housing from the wall. Be careful when removing the metal housing. It is easy to scratch the wall when you are removing it. Once you have removed the metal housing, you will need to disconnect the wires that are attached to the junction box. This is done by removing the nut and screw that hold the box to the wall. Then you will need to cut the wires at both ends.

Once the wires are disconnected, you will need to attach the new thermocouple to the junction box. This can be done by using a solder connection. However, if you do not have access to a soldering iron, you can use a crimp connector instead. The new thermocouple must be placed in the junction box so that the bare copper wires are parallel to the existing wires. Then the new thermocouple must be pushed into the junction box until it touches the wires. You can then use a crimping tool to crimp the connector to the wires.

When replacing your thermocouple, it is important to make sure that the wires are insulated properly. If you are not sure about the insulation, you can purchase a small piece of wire and use it to insulate the wires. This way, you will know that the wires are insulated.

water heater upgrade San Diego CA - Black Mountain plumbing IncCalling a professional plumber to set up a new thermocouple can reach $150 to $200. If you do the work yourself, you will only pay the part rate, which is about $20. The thermocouple senses that the pilot light is lit and triggers the gas control valve to continue supplying gas. When this part fails, it won’t be able to pick up the presence of the flame preciselyand the control valve will stop releasing gas. This likewise means you won’t have the ability to relight the pilot or the burner. Pilot light thermocouple replacement is the only option here. If you are considering a DIY routeshut down your gas connection and let the water cool before working with the unit.

 

Call Black Mountain Plumbing

 

At Black Mountain Plumbing Inc we have replaced thousands of thermocouples and can do your thermocouple replacement quickly and easily for you.  We are the area experts in water heater repair, replacement, and installation.  Call us when you need thermocouple replacement at (858) 536-4161.

Serving San Diego and San Diego County for over 25 years with quality work and great service. We also service these cities – El Cajon, La Mesa, Lakeside, Poway, Ramona, Santee, Pacific Beach, La Jolla, University City, Tierrasanta, Rancho Penasquitos, Rancho Bernardo, Rancho Santa Fe, Encinitas, Del Mar, Solana Beach, Leucadia, Sorrento Valley, Miramar, Mira Mesa, Scripps Ranch, Vista, Carlsbad, San Marcos, Fairbanks Ranch, 4S Ranch, and Sabre Springs.

 

 

 

Posted on by bmpadm in Featured, Water Heaters