Water heating geysers — an overview of the best models

Gas water heaters are one of the tra­di­tion­al solu­tions for hot water treat­ment in EU, they were active­ly used in the days of the Europe. Mod­ern mod­els are more tech­no­log­i­cal­ly advanced, func­tion­al, safe and easy to use. But among the many mod­els on the mar­ket, users pre­fer only a few. These are devices of Neva, Bosch, Ladogaz and Aris­ton trade­marks.

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In this arti­cle, we will con­sid­er the rat­ing of the best gey­sers for an apart­ment.

Ladogaz

Euro­pean-made gey­sers of the Ladogaz trade­mark are man­u­fac­tured using mod­ern tech­nolo­gies, have cer­ti­fi­ca­tions and com­ply with all stan­dards estab­lished in the EU. The mod­els use high-qual­i­ty mate­ri­als, a high lev­el of safe­ty is pro­vid­ed. They are pro­duc­tive and have a local design. With all the advan­tages of devices, their price is afford­able.

HSV 10 E

The best gas flow columns for an apartment - formatted
HSV 10 E

Net pow­er

15.75 kW

Heat­ing capac­i­ty

14.02 kW

Per­for­mance

9 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture val­ues

+85 degrees C

Para­me­ters p of the liq­uid

0.15 to 6 bar

Max­i­mum gas pres­sure

1.27 mbar

Dimen­sions in cm and weight in kg

32.0*63.0*19.0/13

The unique burn­er of the mod­el is made of high-qual­i­ty alloyed stain­less steel, deflec­tor grilles are installed on the petals. These adap­ta­tions cause uni­form dis­tri­b­u­tion of heat in all cham­ber. This reduces the load on the heat exchang­er. This design pro­vides a slight accu­mu­la­tion of salts on the heater, and increas­es its ser­vice life. All mod­ules that come into con­tact with liq­uid are made of cop­per. The device has only basic func­tion­al­i­ty, which is why users who pre­fer high tech­nol­o­gy low­ered the rat­ing of the mod­el by 3 points.

11PL

The best gas flow columns for an apartment - formatted
11PL

Net pow­er

16.94 kW

Heat­ing capac­i­ty

14.51 kW

Per­for­mance

10 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture val­ues

+85 degrees C

Para­me­ters p of the liq­uid

0.15 to 6 bar

Max­i­mum gas pres­sure

1.27 mbar

Dimen­sions in cm and weight in kg

33.0*62.0*22.0/9

The heat exchang­er of the mod­el is man­u­fac­tured by hand sol­der­ing, which makes it high­ly reli­able. The device has mul­ti-stage cor­ro­sion pro­tec­tion. The columns are able to work even at extreme­ly low water pres­sure in the sys­tem — from 0.1 atmos­phere. Man­age­ment — elec­tron­ic, infor­ma­tion about the cur­rent state is dis­played on the LCD-dis­play. Flame con­trol — ion­iza­tion type. Reli­able and pro­duc­tive water heater was rat­ed 4 points.

14 F.D.

The best gas flow columns for an apartment - formatted
14 F.D.

[gallery2 link=»file» size=»full» ids=»14621,14622,14623″]

Net pow­er

18.93 kW

Heat­ing capac­i­ty

16.4 kW

Per­for­mance

13 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture val­ues

+85 degrees C

Para­me­ters p of the liq­uid

0.15 to 6 bar

Max­i­mum gas pres­sure

1.27 mbar

Dimen­sions in cm and weight in kg

35.0*68.0*25.0/14.2

Mul­ti-lev­el con­trol for excep­tion­al safe­ty, high qual­i­ty mate­ri­als and sim­ple con­struc­tion are the main advan­tages of the 14 FD. The com­pact size, high per­for­mance and excep­tion­al reli­a­bil­i­ty of the col­umn received a rat­ing of 5 points from the own­ers. All mod­els of the Euro­pean enter­prise “Lado­ga” have an iden­ti­cal design, enhanced capa­bil­i­ties and an accu­rate con­trol unit. They are pro­duced tak­ing into account the state of Euro­pean com­mu­ni­ca­tions, and show excep­tion­al per­for­mance.

Neva

Euro­pean flow­ing gas water heaters Neva are in high demand due to decent qual­i­ty, max­i­mum adap­ta­tion to oper­at­ing con­di­tions and afford­able price. Three mod­els are the most pop­u­lar.

Neva-4510M

The best gas flow columns for an apartment - formatted
Neva-4510M

[gallery2 link=»file» size=»full» ids=»14625,14626,14627″]

Net pow­er

17.9 kW

Heat­ing capac­i­ty

15.5 kW

Per­for­mance

10 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture val­ues

25 to 65 degrees C

Para­me­ters p of the liq­uid

1 bar

Max­i­mum gas pres­sure

2.9 mbar

Dimen­sions in cm and weight in kg

56.5*29.0*22.1/9

The low effi­cien­cy of the mod­el 4510 M — no more than 85% and restrained capa­bil­i­ties deter­mine the assess­ment of the own­ers of this mod­el of Neva gas instan­ta­neous water heaters at 3 points.

Neva-4513 M

The best gas flow columns for an apartment - formatted
Neva-4513 M

[gallery2 link=»file» size=»full» ids=»14629,14630″]

Net pow­er

26 kW

Heat­ing capac­i­ty

22 kW

Per­for­mance

13 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture val­ues

25 to 65 degrees C

Para­me­ters p of the liq­uid

10$ kPa

Max­i­mum gas pres­sure

2.9 mbar

Dimen­sions in cm and weight in kg

65.0*35.0*23.9/12

This mod­el of the Neva heater is more pro­duc­tive and is able to pre­pare hot water more effi­cient­ly, the rat­ing of Neva 4513M users is 4 points.

Neva-5514

The best gas flow columns for an apartment - formatted
Neva-5514

[gallery2 link=»file» size=»full» ids=»14632,14633″]

Net pow­er

28 kW

Heat­ing capac­i­ty

24 kW

Per­for­mance

13 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture val­ues

25 to 65 degrees C

Para­me­ters p of the liq­uid

1 MPa

Max­i­mum gas pres­sure

2.9 mbar

Dimen­sions in cm and weight in kg

65.0*35.0*23.9/12.5

The Neva 5514 device imple­ments more mod­ern prin­ci­ples that make the device more reli­able and pro­duc­tive, its effi­cien­cy exceeds 87%, so the user rat­ing is a sol­id 4 points.

These mod­els of the Neva brand have a sim­i­lar design. House­hold appli­ances are made from qual­i­ty mate­ri­als. The heat exchang­er is made of cop­per. A five-stage secu­ri­ty sys­tem is pro­vid­ed: when heat­ed up to + 90C, in case of fail­ures in resource sup­ply sys­tems, and oth­ers. The devices are dif­fer­ent in size and some oper­a­tional para­me­ters. Flow­ing water heaters are eas­i­ly con­vert­ed to liq­ue­fied gas con­sump­tion, and vice ver­sa — to nat­ur­al gas if gasi­fi­ca­tion is car­ried out in your local­i­ty.

Bosch

Bosch water-heat­ing gey­sers have right­ful­ly been con­sid­ered sales lead­ers for sev­er­al decades. The DHW prepa­ra­tion process is ful­ly auto­mat­ed, by means of sen­sors and an elec­tron­ic mod­ule. Mod­els from the Therm line are in high con­sumer demand.

Therm 4000S

The best gas flow columns for an apartment - formatted
Therm 4000S

Net pow­er

7 to 17.4 kW

Heat­ing capac­i­ty

20 kW

Per­for­mance

13 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture

25 to 60 degrees C

Para­me­ters p of water

up to 12 bar

Max­i­mum gas pres­sure

30 mbar

Dimen­sions in cm and weight in kg

58.0*31.0*22.0/10.4

Euro­pean con­sumers quick­ly appre­ci­at­ed the qual­i­ty and func­tion­al­i­ty of this Ger­man geyser, their rat­ing is 5. They are reli­able, durable and have high-qual­i­ty func­tion­al­i­ty. Heat exchang­ers are made of cop­per using ultra­son­ic sol­der­ing tech­nol­o­gy, their ser­vice life is at least 15 years. The cur­rent infor­ma­tion is dis­played on the LCD dis­play. The devices have an effec­tive self-diag­no­sis sys­tem.

Therm 6000S

The best gas flow columns for an apartment - formatted
Therm 6000S

[gallery2 link=»file» size=»full» ids=»14636,14637,14638″]

Net pow­er

From 6 to 42 kW

Heat­ing capac­i­ty

48.4 kW

Per­for­mance

24 liters per minute, when heat­ed to +25 C

DHW tem­per­a­ture val­ues

25 to 60 degrees C

Para­me­ters p of the liq­uid

up to 12 bar

Max­i­mum gas pres­sure

20 mbar

Dimen­sions in cm and weight in kg

45.2*75.5*28.5/31

These are indus­tri­al pow­er plants, they are able to meet the needs of a small enter­prise. The lim­it­ed area of ​​use of the Therm 6000 S indus­tri­al water heater was the rea­son for the reduc­tion of the rat­ing to 4.

Therm 8000S

The best gas flow columns for an apartment - formatted
Therm 8000S

Net pow­er

From 6 to 47 kW

Heat­ing capac­i­ty

51 kW

Per­for­mance

27 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture

25 to 60 degrees C

Para­me­ters p of water

up to 12 bar

Max­i­mum gas pres­sure

20 mbar

Dimen­sions in cm and weight in kg

75.5*45.2*18.6/34

The Therm 8000 S imple­ments an inno­v­a­tive method for effi­cient water heat­ing, which gives an effi­cien­cy of 100%. Addi­tion­al­ly, the device has an elec­tric dri­ve for the water valve. These fac­tors led to the high­est rat­ing of users — 5. All instan­ta­neous water heaters of this brand are char­ac­ter­ized by an improved con­trol and mon­i­tor­ing sys­tem, which pro­vides for pos­si­ble risks dur­ing oper­a­tion, by set­ting the mode, you can expect that the con­trol unit will time­ly reduce the inten­si­ty of heat­ing when the thresh­old val­ue is exceed­ed. The devices con­sume gas eco­nom­i­cal­ly, oper­ate silent­ly and, if a prob­lem is detect­ed, will imme­di­ate­ly stop work­ing. The devices dif­fer in per­for­mance, so Therm 8000 S has an effi­cien­cy of 100%. And Therm 2000 and 4000 O water heaters are equipped with an open com­bus­tion cham­ber, they require effec­tive ven­ti­la­tion of the room.

Ariston

The Ital­ian man­u­fac­tur­er offers devices with both an open com­bus­tion cham­ber and an open one. The mod­els are uni­ver­sal, they can be equipped both for work­ing with a nat­ur­al resource and with liq­ue­fied fuel. Heat­ing devices have a mod­ern design, advanced func­tion­al­i­ty and can effec­tive­ly pre­pare hot water even when the pres­sure in the sys­tem changes.

SFT11NG EXP

The best gas flow columns for an apartment - formatted
SFT11NG EXP

[gallery2 link=»file» size=»full» ids=»14641,14642,14643″]

Net pow­er

8.5 to 19 kW

Heat­ing capac­i­ty

21.5 kW

Per­for­mance

11 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture val­ues

25 to 65 degrees C

Para­me­ters p of the liq­uid

0.1 to 10 bar

Max­i­mum gas pres­sure

20 mbar

Dimen­sions in cm and weight in kg

55.0*33.0*16.7/12

The mod­el has orig­i­nal effec­tive design which will become dec­o­ra­tion of any room. The device con­sumes resources eco­nom­i­cal­ly, works silent­ly and has a reli­able secu­ri­ty sys­tem. There is a more pow­er­ful mod­i­fi­ca­tion of this mod­el — SFT 14 NG EXP, which will pro­vide the con­sumer with 14 liters of water per minute. The cur­rent infor­ma­tion is dis­played on the LCD dis­play. The devices have an effec­tive self-diag­no­sis sys­tem. Con­sumers high­ly appre­ci­at­ed this mod­el, their rat­ing is 5 points.

Fast EVO B 11

The best gas flow columns for an apartment - formatted
Fast EVO B 11

[gallery2 link=»file» size=»full» ids=»14645,14646,14647″]

Net pow­er

19 kW

Heat­ing capac­i­ty

21.5 kW

Per­for­mance

11 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture val­ues

25 to 65 degrees C

Para­me­ters p of the liq­uid

0.1 to 10 bar

Max­i­mum gas pres­sure

20 mbar

Dimen­sions in cm and weight in kg

58.0*37.0*23.0/10.2

Fast EVO B 11 is pre­sent­ed in two ver­sions, with a capac­i­ty of 11 and 14 liters per minute. The devices were intro­duced to the mar­ket at the begin­ning of the 21st cen­tu­ry and today are some­what obso­lete, so due to a small set of func­tions, the user rat­ing is 4 points.

Marco Polo M2

The best gas flow columns for an apartment - formatted
Mar­co Polo M2

[gallery2 link=»file» size=»full» ids=»14649,14650″]

Net pow­er

18 kW

Heat­ing capac­i­ty

20 kW

Per­for­mance

10 liters per minute, when heat­ed up to +25 C

DHW tem­per­a­ture val­ues

25 to 65 degrees C

Para­me­ters p of the liq­uid

0.1 to 10 bar

Max­i­mum gas pres­sure

20 mbar

Dimen­sions in cm and weight in kg

52.0*32.0*13.0/11.5

Sim­plic­i­ty of a design and qual­i­ta­tive mate­ri­als form reli­a­bil­i­ty and dura­bil­i­ty of use. Intel­li­gent con­trol does not require user inter­ven­tion, it is enough to set the set­tings once. Own­ers rat­ing — 5 points.

Any instan­ta­neous water heater of the Aris­ton brand has an effec­tive secu­ri­ty sys­tem, oper­ates silent­ly, has a dig­i­tal con­trol mod­ule, and can be oper­at­ed in var­i­ous con­di­tions. Gas water heaters dif­fer only in per­for­mance, size and fea­ture set. Also, the Fast EVO B 11 and Mar­co Polo M 2 mod­els are equipped with an open com­bus­tion cham­ber, they require a good ven­ti­la­tion sys­tem in the room, while the SFT 11 NG EXP with a closed mod­ule will require the instal­la­tion of a coax­i­al chim­ney. The man­u­fac­tur­er guar­an­tees the preser­va­tion of the per­for­mance of its prod­ucts for at least 10 years, but the real resource is longer.

Impor­tant! No mat­ter how high the qual­i­ty of the heat­ing device itself is, its per­for­mance direct­ly depends on the instal­la­tion. There­fore, it is advis­able to turn to the ser­vices of pro­fes­sion­al crafts­men from spe­cial­ized com­pa­nies who will not only cor­rect­ly install the equip­ment, but also issue offi­cial doc­u­ments and guar­an­tees.

Summarizing

For greater clar­i­ty, the rat­ing of gas water heaters and the advan­tages of a par­tic­u­lar mod­el, their tech­ni­cal char­ac­ter­is­tics and rat­ings are placed in a sum­ma­ry table.

brand and mod­el

Pow­er in kW

Max water pres­sure in bar

The vol­ume of water when heat­ed to +25 degrees C

Max gas pres­sure in mbar

Dimen­sions in cm and weight in kg

Grade

Ladogaz VPG 10E

15.75

6

9

1.27

32.0*63.0*19.0/13

3

Neva 4510 M

17.9

one

ten

2.9

56.5*29.0*22.1/9

3

Ladogaz 11 PL

16.94

6

eleven

2.9

33.0*62.0*22.0/9

3

Aris­ton Fast EVO B11

19

ten

eleven

twen­ty

58.0*37.0*23.0/10.2

four

Ladogaz 14 FD

18.93

6

13

1.27

35.0*68.0*25.0/14.2

four

Neva 4513 M

26

one

13

2.9

65.0*35.0*23.9/12

four

Bosch Therm 6000 S

42

12

24

twen­ty

45.2*75.5*28.5/31

four

Neva 4514 M

28

one

four­teen

2.9

65.0*35.0*23.9/12.5

four

Bosch Therm 4000 S

17.4

12

13

thir­ty

58.0*31.0*22.0/10.4

5

Aris­ton

SFT11NG EXP

19

ten

eleven

twen­ty

55.0*33.0*16.7/12

5

Bosch Therm 8000 S

47

12

27

twen­ty

75.5*45.2*18.6/34

5

Aris­ton

Mar­co Polo M2

eigh­teen

ten

ten

twen­ty

52.0*32.0*13.0/11.5

5

Man­u­fac­tur­ers install fair­ly long war­ranties on mod­ern water heaters. Dur­ing the spec­i­fied peri­od, you can use the ser­vices of brand­ed ser­vice cen­ters for free.

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