YIWU JINBAO HEATING PRODUCTS FACTORY

Proper Care for Heating Elements

In order to achieve safe and effective operations, you must correctly pair your heating element and its application. A failure to do so has the potential to result in short circuiting, fires, product damage or equipment loss.

Most heaters tend to lose their heating capacity over time. When the performance of a heater declines, that simply means there is some issue with its heating element. So, from time to time, you will need to replace your heating element. Generally, manufacturers will offer options stock purchasable or custom-made replacement elements, depending on customer needs. More often than not, this replacement process has a fairly quick turnaround time and is considered a part of a regular maintenance schedule. If a heating element goes out in an end-user item, like a hairdryer, however, it’s probably more economical to replace the whole item rather than its heating element.

Manufacturers may offer to install the replacement element, or you may do it yourself. For a step-by-step guide to testing and replacing an old heating element, keep reading. Our tips promote user safety; however, if you feel unsure, you should ask an expert to do the testing and replacement.

1. First, perform a visual inspection. If you see any sign of discoloration, damage, or burning on the coil, then the element will need to be replaced. If you do not notice anything unusual during the initial assessment, then you can proceed.
2. Calculate the resistance of the element. This is a mathematical exercise; you can use a calculator to find the resistance of the part. The simple formula for this calculation is: R = (V x V) ÷ P. In this equation, R stands for resistance, V for voltage, whereas P stands for the power that the element needs.
3. Once you have the resistance, it is time to check the element using a metering tool – multimeter. Set the device to show resistance and choose an appropriate measuring scale for this. Make sure that the heater is not connected to the power supply. Now, measure the resistance of the element by touching the terminals of the heating elements with the leads of the multimeter.
4. Match the resistance reading provided by the multimeter with the one that you calculated.

If there is a match, then there is no problem with the element. In this case, if you noticed any irregularity in the heating of your appliance lately, then there probably is some other issue with it. You need to get that checked by a repair service.

However, if the observed reading is higher or lower than what you calculated, then you will need to replace the element. You could get this done by a professional service or you could check out a video tutorial for the element replacement.

NOTE: If you are performing this test in a water heater, you will need to drain out all the water from the tank and allow it to dry out completely. You should also unplug the device and turn off the breaker panel. Once done, carefully remove the electric wires and open the tank to perform the test and replacement.

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