Home & Garden

Troubleshooting a Faulty Heater: Common Causes and Solutions

A faulty heater can be a frustrating problem, especially during the chilly months when you rely on it for warmth. When your heater malfunctions, it’s essential to understand the potential causes to find the right solutions, as sources like this plumbers blog will tell you. In this article, you will explore some of the common reasons behind heater issues and how a plumber can be your savior in these chilling times.

Lack of Power

One of the primary reasons for a malfunctioning heater is a lack of power supply. If your heater doesn’t turn on, there might be an issue with the electrical connection, or the circuit breaker could have tripped.

Before you call a plumber, first check the circuit breaker and, if required, reset it. If the issue continues, then it’s time to get help from a professional. A plumber can inspect the electrical components, identify the fault, and fix the problem to get your heater up and running again.

Thermostat Problems

A faulty thermostat causes your heater to behave erratically, leading to temperature fluctuations or no heating at all. If the thermostat can’t read the correct temperature, it won’t signal the heater to turn on.

A plumber can assess the thermostat’s accuracy and calibration. If it’s malfunctioning, they can either recalibrate it or replace it with a new one to ensure precise temperature control and proper functioning of your heater.

Pilot Light Issues

For gas-powered heaters, a common problem is the pilot light going out. This could happen due to drafts, clogs in the gas line, or a faulty thermocouple. 

A plumber can relight the pilot light and check for any underlying issues. If the thermocouple is defective, they can replace it to ensure the safe and reliable operation of your gas heater.

Clogged Air Filters

Air filters in heaters can become clogged over time with dust and debris, restricting proper airflow and affecting the heater’s performance. Regular maintenance by a plumber involves cleaning or replacing the air filters as needed. This not only improves the heater’s efficiency but also extends its lifespan.

Ignition Problems

In gas heaters, ignition problems can occur due to a malfunctioning igniter or ignition control module. Without a proper ignition, the heater won’t produce heat. Plumbers can inspect the ignition system and replace any faulty components. They have the expertise to handle gas-related issues safely and effectively.

Blower Motor Troubles

If you notice a lack of airflow or strange noises from your heater, the blower motor might be the culprit. It could be due to a worn-out belt, motor bearings, or electrical problems. A plumber can troubleshoot the blower motor, perform repairs, or replace the motor if necessary. A well-functioning blower motor ensures efficient heat distribution throughout your home.

Leaky Ducts

In forced-air heating systems, leaky ducts can lead to heat loss and reduced efficiency. It could be due to poor installation or damage over time. Plumbers can inspect the ductwork for leaks and seal them to prevent heat wastage, ensuring the warm air reaches its intended destination.

Sediment Buildup in Tankless Heaters

Tankless water heaters can suffer from sediment buildup, causing blockages and reducing heating efficiency. A plumber can perform a descaling procedure to remove the sediment and restore the heater’s performance, ensuring you get a continuous supply of hot water.

A faulty heater can quickly turn your comfortable home into an uncomfortable icebox. But, by taking the help of knowledgeable sources like a plumbers blog and hiring the services of a skilled plumber, you can resolve these issues promptly. Whether it’s a lack of power, thermostat problems, pilot light issues, clogged air filters, etc., a plumber has the technical expertise to diagnose and fix these problems efficiently. 



Welcome to the Night Helper Blog. The Night Helper Blog was created in 2008. Since then we have been blessed to partner with many well-known Brands like Best Buy, Fisher Price, Toys "R" US., Hasbro, Disney, Teleflora, ClearCorrect, Radio Shack, VTech, KIA Motor, MAZDA and many other great brands. We have three awesome children, plus four adorable very active grandkids. From time to time they too are contributors to the Night Helper Blog. We enjoy reading, listening to music, entertaining, travel, movies, and of course blogging.

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