Improving the life span of your boiler

Plumbing - Improving the life span of your boilerBoilers are one of the main difficulties that a home owner faces. You will find that boiler problems are expensive, and usually need replacing, rather than being fixable. Unfortunately, the problems that cause a boiler to fail are generally through the normal use of the boiler, as it’s role is not one that is particularly conducive to it’s own life span. Most boilers tend to last around 8 years for so, but there are ways in which to ensure that you are able to expand on this. As a rule any way, it is essential that you monitor your boiler, as failure to do so can result in some catastrophic issues, that come of pressure build up. Should your thermal absorption tank fail, or your pressure gauge not be showing you what the real pressure is, a poorly looked after boiler can actually explode, and this will obviously cause you a lot more expensive damage than to just the boiler itself! If you want to avoid having to replace walls, and clearing up dirty water for days, then it is wise to keep an eye on the thing!

The main reason that boilers fail is because the outer shell corrodes. Boilers have a glass lining that protects the water from corroding the outer metal, but this glass naturally has microscopic holes in, that get worn away by various factors, and the water eventually finds it’s way through to the metal and eats away at it. High pressure change in the hot water tank will increase the likelihood of this, as will temperature change. As the pressure or temperature changes, the water, metal and glass will expand and contract naturally, causing the cracks to widen as the material changes shape. This will significantly speed up the rate at which the water can get through the glass lining, and will mean that you face having to replace the boiler sooner, as this sort of damage is not really something that you can repair!

Having a small boiler means that as you use different temperatures of water, the whole boiler is flushed out each time, meaning that the temperature changes even more rapidly than in a larger boiler. This essentially mens that the expanding and contracting of the materials in the boiler happens faster than in the larger unit, which causes the cracking to occur more easily. You will find that installing a larger boiler will be expensive, but it may last a fair bit longer, as well as giving you more hot water when you need it. Some houses or flats will not be able to take a large boiler, so you will simply have to keep checking on it for leaks, and having it serviced to avoid major problems.

Hard and soft water both cause deposits, and you need to know what kind of water you have in your area. The deposits caused by this water can cause issues with the boiler, from coating the elements in the heating chamber (like in a kettle) to building up on the base of the boiler where the heater is, which can reduce the boiler’s ability to heat, making your hot water less hot, and making the boiler work harder. Putting an appropriate anode rod in the boiler, and replacing it every 3 years will mean that the deposits stick to the rod rather than the boiler, and that can be a big help in terms of ensuring that your boiler lasts a fair whiles longer than it would do otherwise.

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