Reliant FVIR GAS WATER HEATER Technical Information PDF herunterladen (Seite 60)

RESIDENTIAL GAS AND ELECTRIC WATER HEATER

TROUBLESHOOTING and SERVICE HANDBOOK

RELIANCE Water Heater Company Technical Training Department

MINERAL BUILD-UP

SYMPTOMS

Rumbling

Crackling

Popping

CAUSE

With the advent of high input and larger storage tanks in both commercial and

residential heaters, deliming has become a necessity of modern maintenance.

Lime (CaCO

), is the most notable factor when discussing water hardness.

Lime is present in every water system to some degree across the entire

United States. Since lime is inversely soluble [the more you heat, the more

lime comes out], higher usage, excessive hardness, and increased heating

surface can lead to a high incidence of “limed-up” heaters.

Symptoms often include a popping of water trapped under lime deposits or

the sizzling of water trapped next to elements, boiling it to steam.

THE FIX

Treatment of a “limed-up“ heater is relatively simple. Since CaCO

is a base,

the easiest way to dissolve it so it can be flushed from the heater is with an

acid. The most commonly used is phosphoric acid at a food-grade level.

Any well-stocked plumbing supply house should have a deliming solution

available.

The directions on the product should be followed explicitly.

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Reliant FVIR GAS WATER HEATER Technical Information Seite 60