Heating

A Closer Look at the Safety Features Found in Furnaces

Understanding your furnace’s safety features is essential to ensure its safe operation. They may function differently, but they all work together to prevent potential hazards and maintain the efficiency of your system. Here’s a closer look at each one of them.

Flame Sensor

The flame sensor is a safety device that shuts down the gas valve in the absence of a flame, preventing unburned gas from building up in your furnace and creating a potentially hazardous situation. If your furnace shuts off unexpectedly or fails to ignite, it might indicate a problem with the flame sensor. Regular cleaning and inspection can ensure the flame sensor operates correctly and maintains your furnace’s safe operation.

Limit Switch

The limit switch in your furnace is designed to prevent overheating. It monitors the heat inside the equipment and shuts off the gas supply if temperatures reach dangerous levels. If your furnace is frequently cycling on and off, or not producing enough heat, it could signal an issue with the limit switch. Regular testing and calibration of the limit switch by a professional can help avoid overheating issues.

Venting System

The venting system in your furnace safely expels combustion byproducts, including carbon monoxide, a colorless, odorless, and potentially lethal gas. A blocked or malfunctioning venting system can cause these harmful gases to build up inside your home. It’s essential to keep your venting system clear and in good condition to ensure safe operation. Regular inspections can help detect and rectify any issues before they become serious.

Air Filter

Air filters play a dual role in furnace safety. They protect the furnace components from dust and debris, which can reduce efficiency and cause damage. They also improve indoor air quality by trapping airborne particles. Regularly replacing or cleaning your furnace filter is key to maintaining your system’s safety and efficiency.

Get in Touch With Us!

For all your heating needs, turn to At A-1 Comfort Care Heating, Cooling & Plumbing. Our team of experienced technicians can assist you when it comes to minor furnace repairs and maintenance. Our reliable and licensed technicians will make sure your furnace or any other heating system is working optimally and functioning safely during the cold winter months. Get started today — call (732) 578-0379, or fill out our contact form to schedule an appointment.

Frank Obrien

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Frank Obrien

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