WARM LIQ­UID COM­FORT

HOW DO WATER HEATERS MAKE YOUR MORN­ING SHOWER SO SAT­IS­FY­ING?

Gadgets and Gizmos (India) - - KNOW TECH - TEXT AND GRAPH­ICS BY SAN­TOSH KUSH­WAHA

The water heater, or a geyser as it is more pop­u­larly called, has be­came a part of our daily lives. It is es­sen­tially a drum filled with water and equipped with a heat­ing mech­a­nism.

A water heater’s ther­mo­stat con­trols the tem­per­a­ture of the water in­side the tank. Nor­mally, you can set the tem­per­a­ture be­tween 49 and 82 de­grees Cel­sius. The water tem­per­a­ture set­ting rec­om­mended by most man­u­fac­tur­ers is be­tween 49 and 60 de­grees Cel­sius). This is hot enough to be ef­fi­cient for house­hold use, but not so hot that it can pose a risk of scald­ing. If there are chil­dren at home, it is wise to stay closer to the lower end of the range.

The same tech­nol­ogy is used for other water-heat­ing ap­pli­ances, like a dish­washer or a wash­ing ma­chine.

ELEC­TRIC WATER HEATER VER­SUS GAS WATER HEATER

The two types of water heaters that are com­monly used are gas and elec­tric ones. The choice de­pends on the price, avail­abil­ity of nat­u­ral gas and the us­age of hot water in a house­hold. It could be used for cook­ing, bathing or and room heat­ing.

Though elec­tric water heaters are promi­nently used, a gas water heater is more cost ef­fec­tive. Gas heaters heat a tank full of water much faster then elec­tric water heaters. An­other point to be noted is that any prob­lem with the power sup­ply may di­rectly im­pact the sup­ply of hot water.

The gas water heater has a pi­lot light while the elec­tric one doesn’t. A gas water heater heats water by burn­ing the gas in a cov­ered burner at the base of the heater. The heater ex­hausts the pro­duced heat into the dwelling space.

There are elec­tric heaters that turn off when the load is high.

Burner

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