Capillary Tube Obstruction and its effect on Fridge Performance

Of all the technical snags that the fridge repairing professionals come across, perhaps the issues associated with the obstruction of capillary tubes are among the steepest challenges that they come up with.

It is true that they get the better of these challenges with flying colours, but not without some hard day’s work!

Let us at first get into the think of things, and discuss what this tube is all about and its functionality.

What Role Does the Capillary Tube Play in a Fridge?

A capillary tube is made up of copper, and its principal task is to transmit the coolant or the refrigerator fluid into the inlet of the evaporator, after receiving it from the condenser.

While the fluid runs through the tube, the resultant friction between the inner tube surface and the fluid reduces the pressure, thereby increasing the acceleration of the refrigerant. This subsequently results in the evaporation of the fluid once it reaches the edge of the capillary tube.

Evaporation of the refrigerant takes place when the temperature hovers within the range 0 and -35°C. All these create a thermal exchange within the evaporator, which cools the interior of the fridge. Technically speaking, this is one part of the mechanism that cools a fridge down. Well, there are other things as well, but let us not get into those details.

What Happens When the Capillary Tube is Obstructed?


The internal diameter of the capillary tubes varies between 0.5 and 2.5 mm, depending upon the model and application of different internal equipment of the appliance. Now, since it's practically cramped up inside the tube, the professionals who do fridge repairs in Sydney CBD would always suggest taking particular care to make sure that the pipe does not get blocked.

No matter how careful you might be, a clogged capillary tube is an almost inevitable phenomenon, regardless of the model and brand of the fridge.

So even if a user has the best fridge from Westinghouse moisture, natural constriction and hardening of the tube due to bending, presence of solid residues that accumulate inside the pipe over the time would play a pivotal role in a partial or complete blockage of the capillary tube.

When that happens, it thwarts the proper circulation of the refrigerant fluid, thereby affecting the performance of the fridge significantly. This, to say the least, demands the intervention of the professionals who carry Westinghouse fridge repairs in Sydney CBD or any other place.

However, when it comes to resolving this issue, the users must summon the best techies from renowned companies for the best results. In our next blog, we will discuss how the techies will solve the issue of clogged capillary tubes.
Location: Victoria Ave, Castle Hill NSW 2154, Australia

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