Major Reasons Why Tempering Valves Must Be Regularly Tested and Maintained

Blog | November 19th, 2018

There are a handful of systems and system components that require nothing less than an absolutely committed service approach. Gas-fueled equipment is an example of this maxim. For carbon monoxide testers, again, an installation tech must check and recheck his work. To illustrate another example of hot water system severity, we need only mention tempering valves. If that technical label raises a puzzled eyebrow, read on, please.

What Do Tempering Valves Control? 

Used to mix hot tank streams with cold water, this valve type safely cools the hot water line. When it’s functioning properly, the tap or shower head stream can get hot enough to turn your skin lobster-red, but it won’t scald human skin. Clearly, just by thinking about their responsibilities, tempering valves must work correctly. Even a momentary glitch in this critically important hot water mixer could invite catastrophe, which would occur as a nasty burn. That risk is unacceptable, which is why tempering valve maintenance is such a vital service.

Preventative Maintenance Services 

Service engineers don’t wait for important devices to fail. For starters, small machine defects become large, much costlier breakdown problems when they’re left untended. But the worst problem there, generally speaking, is a costly repair, plus a period of system downtime. Not so in hot water systems, where people expose their naked skins to hot water. If the pertinent component is left untended, it’s a searing hot stream of skin burning water that’ll force its way out of the tap. Granted, there might be a few signs, telltales, that indicate an imminent valve damage, but we cannot take that risk. To counter the health-jeopardizing danger, heating engineers are trained to continually test tempering valves.

Maintaining Tempering Valves 

Is the valve old and about to outlive its serviceable lifespan? This component typically lasts 5-years, although newer models can last longer. Either way, inspect the valve for damage. Flush the hot water line, too. This action takes care of valve-aging debris. Better yet, opt for an inline filter, a solution that’ll take care of free-floating system debris before it can reach the valve. And, if the heating engineer is on-hand, customers should consider asking for a newer tempering valve, one that contains TMV functionality. Thermostatic Mixing Valves are used in hospitals and nursing homes, so they’re clearly a safer option.

Above all else, tempering valves are not faulty products that can be dealt with after the fact. They require preventative maintenance measures. Tested and maintained by trained heating engineers, they’re kept in good working order. And, if they show any sign of damage whatsoever, immediate action must be taken.

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