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Seasonal Radiator Maintenance Tips You Need To Know

Seasonal Radiator Maintenance Tips You Need To Know

Even though forced air heating is more popular, radiant heating systems are still the primary method of home heating for the majority of US citizens today.


Radiators offer reliable and comfortable heating, despite the fact that some people may find them dated. Interiors are kept warm by radiators, which don’t provide the dry heat associated with warm air heating. Although radiator maintenance is not particularly complicated, it is crucial to complete it correctly to keep your system operating effectively.


Interested in discovering how to maintain your radiator system? Continue reading to learn which jobs you can do yourself and which are better left to a pro.

Functioning of Radiators

Hot water is the source of radiant heat. Water is placed inside a sealed system made up of a boiler and its associated pipes, and the boiler heats the water to a temperature of over 87 degrees Celsius. The hot water is pushed by a pump through the pipes and into the strategically placed radiators, where it heats the space surrounding them.


The water flows back into the boiler once it has cooled. By returning it to be heated once more, this closed system recycles water continuously. This indicates that you have a system that is effective and requires few resources.


The fact that radiant heat is wonderful for your home environment is one of its major advantages. Forced air systems could be more effective, but they also dry out the air around you and push dust and particulate into your house. Additionally, radiant heat could be more constant.


Cast iron, a highly heavy material that maintains heat for a very long time, is frequently used to make older radiators. Modern radiators are constructed from lighter, less expensive materials like steel.

Maintaining a radiator

Radiator systems are relatively simple to maintain and will just need some simple seasonal upkeep to keep them working for years to come. Make sure your closed system is operating effectively by taking the following actions:

Blow the Radiator

Despite being a closed system, a boiler, and the pipes that link to it allow for the gradual evaporation of air from the water. Air pockets are formed in the radiators as the air, which is lighter than water, rises to the top. Bleeding this excess air out of the system is crucial as part of your seasonal maintenance.


The system must be shut off in order for the water to cool. As an alternative, you might complete this maintenance right before it starts to get chilly out before you switch it on for the first time.


A tiny valve towards the top of your radiators should be present. They could be turnable by hand or require a specific key. Holding a bowl beneath the bleed opening, counter-clockwise-turn your valve and listen for a hiss as air escapes.


The pressurized system will push air out when the valve is turned. Turn the valve key counterclockwise to close it after leaving the valve open until water starts to flow. Do not panic if the water in the lines appears cloudy or filthy; this is typical.

Examine the boiler pressure

You should check the boiler pressure next after the system has been bled of air. Look for a temperature and pressure gauge by opening the boiler’s service panel. Depending on the manufacturer, the hot boiler should register 1.5–1.8 bar, while the cold boiler should register 1.3 bar.


You might need to increase the amount of water in the system if your boiler falls under certain pressure restrictions. You can add more water to your boiler by opening a cold water line that runs into the boiler, but you should do this while carefully monitoring the pressure gauge. In the event that your gauge reaches 1.3 bar, close the cold water valve.


Your system is equipped with a pressure relief valve in case you do inadvertently raise the pressure above 1.3 bar. This valve will drain water to balance the system, so be mindful of this and place a large bucket underneath it to catch any water that leaks out. If your gauges are initially reading too high, you can also use this valve to discharge water.

Maintenance of the combustion chamber

A combustion chamber powers your boiler and supplies the fire needed to warm the water. A buildup of residue could prevent the chamber from operating effectively. It is advisable to have a professional service this component of your system every few years because cleaning out the chamber might be risky due to the potential for fire.

Remain Secure and Warm

You’ll have a better understanding of the radiator maintenance you can perform annually to keep your system operating well after reading these guidelines. A system that is properly maintained can operate for decades with little effort.


Always exercise caution when working on your radiator system and make sure the water is secure before starting any of these maintenance procedures. Radiators are extremely safe, but any maintenance done while the boiler is hot might cause serious burns from the hot water or steam.

Visit BJC Plumbers Jersey City today if you’re looking for designer radiators of the highest caliber.