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Hot Water Heater Webasto Thermostat Rebuild Guide

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By Marie Burns


Most homeowners have little HVAC knowledge beyond using the thermostat. If your thermostat fails, many people end up calling a Denver HVAC company thinking there is something wrong with their air conditioning equipment when in reality, there is something wrong with the thermostat. When the AC refuses to turn on, it can be hard for someone who is not an HVAC expert to determine if the problem is in the equipment or the regulator. However, before you call a webasto thermostat rebuild company, try and follow this troubleshooting guide to see if you can get to the root of the problem.

Check the lower and upper thermostats- You should start both checking both the upper and lower thermostats. You can check the upper element at the two terminals that are located on the top. Use a volt meter to check if there is 220V reaching the terminals. If there is a reading that is either fluctuating or is very low, then it means that there isn't enough power reaching the coil. This will require that the heat regulator is pertaining to that coil be changed.

If you don't feel like you have very much experience, then call a local professional to come in and change it for you. Sometimes this can be the wisest decision for you because they can make sure that it is working correctly and that it stabilizes perfectly.

Checking for faults in the circuit- Before you can check the circuits for faults, turn the breaker or the electricity on. Using a volt meter check each point of the coils and make sure that current is flowing to them. That said make sure that you do not set the heat regulator to the red limit.

If the problem with the regulator is not the power, it could be the location the regulator is installed. Except in very advanced models with multiple temperature sensors over the building, most regulators have the thermometer built in. That means if the regulator was built into an area that does not represent the air temperature in your home then it will give false readings.

A plastic cover encases the heat regulator, and you may need to remove the dial before you can get to it. Lift off and remove the plastic cover gently so that you do not drag out or damage any wires in the process. After you have removed the cover, you will notice two wires, exposed.

Check to ensure that the circuit is closed with a continuity tester probe, but only if you are sure about the correct way to use it. If the circuit is closed, then you can be sure that the problem lies elsewhere. Call a professional repair service provider who can probe around more thoroughly to located and determine the root of the problem.

Changing the heat regulator and the coils is one of the easiest hot water repair processes. It can also help you save quite a bit of money. However, because you are dealing with electricity always keep yourself grounded and wear gloves. Also always check if there is current in the circuit before doing anything else. An electric shock from these units is certainly not a pleasurable experience by any measure.




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