Rating of water heaters on the faucet with an overview of the characteristics

In the absence of a cen­tral­ized hot water sup­ply or dur­ing main­te­nance work, water heaters are used to ensure the usu­al com­fort. Today, a vari­ety of mod­els are on sale: flow, stor­age, elec­tric­i­ty or gas. In recent years, a com­plete­ly new solu­tion to the prob­lem of prepar­ing hot water has appeared — an elec­tric flow-through water heater. It direct­ly serves the point of water intake, is able to effec­tive­ly heat the liq­uid and are rel­a­tive­ly inex­pen­sive.

The prod­uct is installed instead of a con­ven­tion­al mix­er; in appear­ance, the device is sim­i­lar to it. A heat­ing mod­ule with a net­work dri­ve has been added to the stan­dard design, the case is made of met­al or plas­tic, in which the heat­ing ele­ment and safe­ty ele­ments are locat­ed. Prod­ucts from var­i­ous man­u­fac­tur­ers are on sale, but flow­ing elec­tric water heaters for a tap of the fol­low­ing brands are most in demand: Deli­namo, Aquatherm and Supret­to.

Impor­tant! Choos­ing the best mod­el for your home, you need to pay atten­tion not so much to the design and con­fig­u­ra­tion of the heater, but to its tech­ni­cal char­ac­ter­is­tics. The device must be suit­able in terms of pres­sure to the water sup­ply and the char­ac­ter­is­tic of the volt­age in the mains.

The own­ers of this type of flow heaters sin­gled out the Deli­namo, Aquatherm and Supret­to brands due to the fact that their tech­ni­cal para­me­ters are opti­mal in every­day life. Larg­er val­ues ​​entail sig­nif­i­cant oper­at­ing costs. And small­er ones will not be able to meet the needs of users.

Delinamo

Delinamo
Deli­namo

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Mate­r­i­al

Plas­tic and stain­less steel

Mains oper­at­ing volt­age and cur­rent fre­quen­cy

220/50 Hz

Pow­er

3 kW

water pres­sure

0.04 to 0.6 MPa

Per­for­mance

2 liters per minute

heat­ing tem­per­a­ture

+60 degrees C

The weight

1010 grams

Elec­tric wire length

1 meter

Devices pro­duced by the Ital­ian-Ukrain­ian com­pa­ny Deli­namo are in high demand; Spe­cial­ists from Ger­many and Italy worked on the devel­op­ment of the device, the pro­duc­tion site is locat­ed in Chi­na. You can increase or decrease the heat­ing of water using the knob, the sta­tus of the device is shown by the indi­ca­tor. The man­u­fac­tur­er paid spe­cial atten­tion to the eco­nom­i­cal con­sump­tion of elec­tric­i­ty. User rat­ing — 4 points.

Impor­tant! If the water pres­sure in your instan­ta­neous heater has decreased com­pared to what it was orig­i­nal­ly, this means that the fil­ter in the device is clogged. You can clean the mod­ule your­self, the oper­a­tion does not require pro­fes­sion­al qual­i­fi­ca­tions.

Aquatherm

Aquatherm
Aquatherm

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Mate­r­i­al

High strength com­pos­ite plas­tic

Mains oper­at­ing volt­age and cur­rent fre­quen­cy

220V/50Hz

Pow­er

3 kW

Per­for­mance

2 liters per minute

water pres­sure

0.04 to 0.7 MPa

Water heat­ing tem­per­a­ture

+60 degrees C

The weight

1250 grams

Elec­tric wire length

1 meter

Euro­pean Aquatherm mod­els have a vari­ety of col­ors, you can buy a water heater flow­ing metal­lic, sil­ver, bronze, red, blue and oth­ers. Styl­ish design, reli­a­bil­i­ty and increased func­tion­al­i­ty have led to a high demand for devices. The swiv­el spout allows you to direct the water flow in the right direc­tion. There are mod­els with show­er heads designed for the bath­room, they have the same tech­ni­cal para­me­ters as devices with­out this device. The choice of the opti­mal Aquatherm heater can be made by col­or, shape, length of the spout and the pres­ence of a water reg­u­la­tion func­tion.

Aquatherm
Aquatherm

The main work­ing ele­ment is a car­tridge; only orig­i­nal mod­els with corun­dum plates with a diam­e­ter of 30 mm should be used. The norm of work of one mod­ule is 500 thou­sand full work­ing cycles. The device is equipped with a mesh aer­a­tor made of plas­tic, which ensures silent oper­a­tion and reduces water con­sump­tion. Pass­ing through this ele­ment, water cre­ates a dis­charged space into which air rush­es, which forms a vol­u­met­ric uni­form jet. The aer­a­tor has the func­tion “Anti-cal­ci­um”. Aquatherm water heaters are designed in accor­dance with Euro­pean and inter­na­tion­al stan­dards. The devices may only be used in heat­ed rooms.

The cost of the mod­els depends on the design, the pres­ence / absence of a dig­i­tal dis­play, the type of hose attach­ment and equip­ment. User rat­ing — 5 points.

supretto

supretto
supret­to

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Mate­r­i­al

High strength plas­tic and met­al

Mains oper­at­ing volt­age and cur­rent fre­quen­cy

220–240V/50Hz

Pow­er

3 kW

Per­for­mance

1.3 liters per minute

water pres­sure

0.04 to 0.6 MPa

Water heat­ing tem­per­a­ture

+60 degrees C

The weight

772 grams

Elec­tric wire length

1 meter

The Chi­nese Supret­to mod­el is char­ac­ter­ized by a fair­ly sim­ple design and min­i­mal func­tion­al­i­ty, but the water heats up to +60 degrees in no longer than 3 min­utes. Adjust­ing the heat is easy — to do this, turn the knob in the direc­tion of decreas­ing or increas­ing. The crane has an exten­sion of 22 cm, it eas­i­ly turns in the right direc­tion. This way you can direct the flow into both bowls of the dou­ble sink. Instal­la­tion is car­ried out using the fix­ing kit sup­plied with the instru­ment. On the front pan­el of the device there is an indi­ca­tor that starts work­ing when the water tem­per­a­ture exceeds the set para­me­ters.

The noz­zle is com­pact, func­tion­al and comes with fac­to­ry war­ranties. The reli­able and sim­ple mod­el has an afford­able price and a user rat­ing of 5 points, which is large­ly due to the val­ue for mon­ey.

Benefits of heater taps

It is advis­able to buy a water heater for a faucet for the fol­low­ing rea­sons:

  • mod­els of heater taps heat water faster than con­ven­tion­al flow devices, after a few sec­onds you can use hot water;
  • the tem­per­a­ture set by the user is main­tained regard­less of the force of pres­sure, so the user will not burn him­self not only by turn­ing on the tap, nor dur­ing use;
  • com­pact dimen­sions and instal­la­tion in place of a con­ven­tion­al mix­er cause sig­nif­i­cant space sav­ings com­pared to any con­ven­tion­al flow devices;
  • a wide selec­tion of mod­els in design, col­ors and shapes allows the buy­er to choose the best option, both for a high-tech room and a tra­di­tion­al clas­sic;
  • rel­a­tive­ly low cost and reli­a­bil­i­ty of devices;
  • the vari­abil­i­ty of exe­cu­tion will allow you to install a con­ven­tion­al mod­el in the kitchen, and in the bath­room — a water heater, a flow faucet and a show­er.

But the poten­tial own­er should also be aware of the dis­ad­van­tages of such water heaters:

  • if you use the device for an hour, the elec­tric­i­ty con­sump­tion will be 3 kW;
  • low through­put of devices, in com­par­i­son with con­ven­tion­al flow heaters, they are 2 times infe­ri­or.

Impor­tant! Water heater taps are con­nect­ed in the same way as con­ven­tion­al mix­ers, with the dif­fer­ence that only a pipe with cold water needs to be con­nect­ed to the device. It is bet­ter if the elec­tri­cal wiring is laid sep­a­rate­ly, and have a ground.

Summarizing

For obvi­ous­ness of the choice of a tap with a flow­ing water heater, we present the tech­ni­cal para­me­ters of the above mod­els in a sum­ma­ry table.

Brand

Volt­age and fre­quen­cy in V/Hz

Pow­er in kW

Water flow in liters per minute

Water pres­sure in MPa

Weight in grams

Grade

Deli­namo

220/50

3

2

0.04–0.6

1010

four

Aquatherm

220/50

3

2

0.04–0.7

1250

5

supret­to

220–240/50

3

1.3

0.04–0.6

772

5

Since all mod­els are adapt­ed to the tech­ni­cal para­me­ters of Euro­pean util­i­ties, the choice should be made accord­ing to the fol­low­ing cri­te­ria:

  • the pres­ence of an RCD on the elec­tric dri­ve, this mod­ule is required, since the device uses elec­tric­i­ty and water at the same time, it will ensure safe­ty for humans and turn off the device if a volt­age drop occurs in the net­work;
  • a pro­tec­tive ele­ment against over­heat­ing, the sen­sor is installed in the heat­ing mod­ule and, when the max­i­mum tem­per­a­ture is reached, turns off the heat­ing ele­ment, when the water cools down, it turns on the heater again;
  • pro­tec­tion against “dry heat­ing”, when there is no water in the tap, or its pres­sure is below the min­i­mum, a spe­cial sen­sor will not allow the pow­er to turn on, the ele­ment will also func­tion if the water pres­sure has increased val­ues;
  • pro­tec­tion of the device from water ham­mer, which are not uncom­mon in plumb­ing sys­tems and can dis­able the device, the ele­ment con­sists of two parts — an elas­tic plas­tic mod­ule and a sil­i­cone damper, they are locat­ed inside the heater;
  • the device must be sealed, which pre­vents mois­ture and dust from get­ting inside, the pro­tec­tion class must be at least IPX

Func­tion­al­i­ty and addi­tion­al fea­tures should cor­re­spond to the fea­tures of the water intake point, so it is bet­ter to choose mod­els with show­er heads for the bath­room. Fac­to­ry war­ranties for these water heaters are 12 months, dur­ing which time, repairs and main­te­nance are car­ried out in brand­ed ser­vice cen­ters free of charge.

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