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2023

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How to clean underfloor heating pipes: Methods for cleaning underfloor heating pipes.

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Underfloor heating has actually been around for more than ten years, and most households use water-based underfloor heating. Water heating has advantages such as being healthy, saving space, beautifying the living space, being energy-efficient and environmentally friendly, having a long service life, and being able to provide hot water for daily use 24 hours a day. The actual lifespan of underfloor heating is 50 years, but if maintenance is not taken care of during use, it can shorten the lifespan. How can we clean the underfloor heating ourselves to extend its lifespan? Next, I will explain the cleaning methods for underfloor heating pipes, hoping to help everyone.

How to Clean Underfloor Heating Pipes Yourself - The Importance of Cleaning Underfloor Heating Pipes
After using underfloor heating pipes for a period of time, a large amount of sludge, bacteria, and scale will accumulate on the inner walls of the pipes, leading to blockages that hinder water circulation and reduce heat dissipation, severely affecting heating temperature and effectiveness. Practice shows that during use, the inner walls of underfloor heating pipes accumulate 1mm of dirt each year, which can cause the indoor temperature to drop by 6°C. This not only affects the normal use of underfloor heating but also leads to energy waste, making the cleaning of underfloor heating pipes urgent.

How to Clean Underfloor Heating Pipes Yourself - Cleaning the Filter
Underfloor heating should have its filter cleaned once a year before use. The specific method is as follows: first, close the inlet and outlet valves of the connecting pipes, then open the filter and clean the filter screen thoroughly, checking for any damage or blockages. If there is damage, replace it with a filter screen of the same specification and reassemble it as before. Underfloor heating pipes refer to the pipes used in underfloor heating as a carrier for low-temperature hot water circulation. During the initial water supply or use of the underfloor heating system, air may accumulate in the pipes, affecting heating effectiveness. At this time, the air release valve of the manifold can be opened to expel the gas, similar to traditional heating methods. The water flow in each branch of the system can be adjusted by regulating the ball valves on each branch to control the temperature of each part, but adjustments should be made cautiously to avoid affecting other branches. The underfloor heating pipes are only about 3-100px from the floor surface, and striking or hitting the ground can easily damage the pipes. Therefore, it is strictly prohibited to strike or hit the ground where the underfloor heating pipes are laid to prevent damage.

How to Clean Underfloor Heating Pipes Yourself - Chemical Agent Soaking Cleaning
Chemical agent soaking cleaning can fully dissolve the sludge attached to the pipe walls. The raw materials used in this method do not corrode the underfloor heating pipes and clean them effectively. The cleaning process is as follows: open the hot water inlet pipe of the underfloor heating; dilute the special cleaning solution for underfloor heating and inject it into the hot water inlet pipe; ensure the underfloor heating pipe is filled with water, close the cold water valve, and start the circulation pump for 30 minutes; open the cold water valve to drain the dirty water; rinse the underfloor heating pipes with clean water until clear water flows out of the outlet pipe, completing the cleaning work.

Since the filter at the front end of the manifold can only prevent large particles of contaminants from entering the piping system, it does not filter scale, sludge, rust, or algae. Therefore, it is essential to remove dirt from the underfloor heating pipes in a timely manner. The fundamental solution to the scaling problem in underfloor heating pipes is to conduct regular cleaning of the pipes. Normally, if the water underfloor heating system has been in use for more than two years, it should be cleaned and maintained regularly.