After pur­chas­ing a water heater, an urgent ques­tion aris­es — how to install it? Most like­ly, you have already cho­sen the place where it will be locat­ed and now you just have to prop­er­ly install it. To find out how to do this, please see the infor­ma­tion below.

What tools are required to con­nect the water heater:

  • water heater (boil­er);
  • 2 water hoses of increased flex­i­bil­i­ty (should be resis­tant to hot water);
  • 2 dow­el nails with a hook;
  • plumb­ing linen or seal­ing tape;
  • crane (diam­e­ter is select­ed under the pipe);
  • valve (should come with the boil­er in the kit);
  • stan­dard repair kit.

Design and connection of a mounted and floor boiler

The aver­age boil­er, on the basis of which the instruc­tions for con­nect­ing the water heater are writ­ten, con­sists of the fol­low­ing ele­ments:

  • heat­ing ele­ment;
  • water tank;
  • water inlet and out­let sys­tems;
  • ther­mo­stat.

How to connect a mounted boiler?

  1. Con­sid­er the opti­mal loca­tion of the boil­er. It should be locat­ed next to the out­let and both pipes — water will enter and exit through them. The short­er the dis­tance to these ele­ments, the less addi­tion­al mate­ri­als will be required for instal­la­tion. Instal­la­tion is car­ried out in an open way.
  2. Attach the boil­er with the brack­ets that should come with the kit. They are spe­cial­ly cal­cu­lat­ed for the max­i­mum mass of the boil­er and are able to with­stand severe loads on the base. Study the doc­u­men­ta­tion and gen­er­al require­ments for brack­ets, which are described in the instruc­tions. Accord­ing to them, buy ele­ments of the required strength.
  3. Check the water out­let, it must be at the bot­tom.
  4. Now install the safe­ty valve. It is a nec­es­sary ele­ment that will pro­tect your tank and keep it intact under huge pres­sure or excess tem­per­a­ture. Be sure to take these pre­cau­tions! With­out a valve, your tank could rup­ture. The valve open­ing should be open. Often, those who con­nect the stor­age water heater with their own hands for­get to ensure the removal of excess water in a time­ly man­ner, and endan­ger the premis­es and its inhab­i­tants.

Often, the valve that comes with domes­tic equip­ment can­not cope with the above prob­lems and it is bet­ter to pur­chase the valve sep­a­rate­ly, based on the fea­tures and capa­bil­i­ties of the water heater.

Stor­age water heater safe­ty group

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  1. It con­sists of a sys­tem of small parts: a cou­pling, a tee, a valve, a check valve, a fit­ting and a fuse. Con­nect them as shown in the pic­ture above.
  2. Attach com­pres­sion hoses to sew­er pipes to drain water. It is nec­es­sary to use only spe­cial hoses for trans­port­ing hot water or ordi­nary gar­den ones. But the lat­ter are high­ly dis­cour­aged for safe oper­a­tion.
  3. Now you need to seal the joints with sealant. It is sold in every hard­ware store. Apply it to the joints, leave for 6–8 hours to dry. When apply­ing the sealant, the water must be blocked for the entire dry­ing peri­od, and the pipe must be com­plete­ly dry. Even a few drops of water can dam­age the seal.
  4. After 6–8 hours, con­nect the boil­er to the water sup­ply sys­tem using pre­pared hoses.
  5. It is advis­able to buy pipes for trans­port­ing water from polypropy­lene. They have a very high shelf life, unlike met­al ones, they are cheap­er and more con­ve­nient to install. Join them with polypropy­lene weld­ing and allow a lit­tle time for the seams to dry.
  6. Warm liq­uid is also dis­charged through the ball valve. This method is uni­ver­sal and makes it pos­si­ble to con­nect boil­ers that accu­mu­late water or flow.
  7. The sys­tem should look so that in the case of closed taps, the liq­uid does not leak. How­ev­er, if it becomes nec­es­sary to turn off the ris­er tap, water should still be avail­able.
  8. The type of con­nec­tion of the water heater great­ly affects the con­nec­tion to the net­work. When using a water heater pow­ered by the mains, it is nec­es­sary to take into account the rec­om­men­da­tions of the Elec­tri­cal Instal­la­tion Code, includ­ing: the manda­to­ry use of mois­ture-proof sock­ets, ground­ing, a sep­a­rate RCD if the boil­er oper­ates on two phas­es, etc.
  9. Check all ele­ments and start test water heat­ing.

To study in more detail the wiring dia­gram of pipes and elec­tric­i­ty, we sug­gest look­ing at the instal­la­tion dia­gram of a ver­ti­cal water heater, pre­sent­ed below.

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Installation of a floor boiler

Mount­ing the boil­er to a floor or hor­i­zon­tal type pipeline will take a lit­tle time, how­ev­er, the work car­ried out dur­ing its instal­la­tion will be much more volu­mi­nous. Such a boil­er weighs about 100 kilo­grams, and its pow­er often exceeds 50 kilo­watts.

  1. It is not easy to exhib­it and trans­port it on your own. We advise you to enlist the sup­port of anoth­er per­son.
  2. The sys­tem for con­nect­ing the device to pipes is sim­i­lar to a mount­ed water heater and there is no point in describ­ing it again. The only dif­fer­ence is that the hot water out­let is on the top instead of the bot­tom.
  3. Under the ground­ing of such pow­er­ful boil­ers, a sep­a­rate out­put is required to avoid unpleas­ant sit­u­a­tions.
  4. For ground­ing, you need to sep­a­rate the cable from the met­al part of the boil­er and con­nect it to the out­let to the ground.

To study in more detail the wiring dia­gram of pipes and elec­tric­i­ty, we sug­gest look­ing at the hor­i­zon­tal water heater instal­la­tion dia­gram below.

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Video on connecting the boiler to the water supply

We offer some use­ful videos that will help solve some prob­lems when installing a heater.

Video on installing a mount­ed ver­ti­cal water heater:

The man talks in great detail about con­nect­ing a mount­ed boil­er. Thanks to the video instruc­tion, you will need only 15 min­utes to con­nect the boil­er with your own hands in the apart­ment.

Video on installing a floor hor­i­zon­tal water heater:

A very detailed video on installing a large capac­i­ty boil­er, how­ev­er, the com­ments in the video are pure­ly on instruc­tions, no devi­a­tions and rec­om­men­da­tions are giv­en for the aver­age per­son. But as an exam­ple of installing a floor boil­er, the best option is not found in RuNet.

Video analy­sis of the instal­la­tion dia­gram:

A very use­ful analy­sis of the scheme for con­nect­ing a water heater to a water sup­ply sys­tem, an elec­tri­cal net­work. The dia­gram above is tak­en as a basis in order to elim­i­nate con­fu­sion and bet­ter under­stand the prin­ci­ple of instal­la­tion.

Mounting Tips

In con­clu­sion, I would like to give some advice on the cor­rect instal­la­tion of the boil­er and its care. These tips will help you keep your water heater from break­ing down pre­ma­ture­ly.

  1. The best option for installing a boil­er is in the kitchen. Take note of the fact that the liq­uid must flow direct­ly to the faucets locat­ed in the kitchen and bath­room. You should think care­ful­ly about the place of instal­la­tion. Try to stick to the cor­ner place­ment, keep­ing the min­i­mum dis­tance to the water pipes and the out­let.
  2. When installing hor­i­zon­tal floor units, it is impor­tant to use a non-return valve. The valve will help fil­ter the fresh­ly received cold water from hot. In this case, hot water will be sup­plied to the taps with­out mix­ing with cold water.
  3. If you are installing in a vil­lage and draw­ing water from a well or your own well, then you need to attach a cir­cu­la­tion pump to the sys­tem, which will sup­ply water to the boil­er if nec­es­sary.
  4. Nev­er start the boil­er if there is no water in it. Run­ning idly can cause it to break. Turn on the heat­ing only when the machine is com­plete­ly filled with water.
  5. Con­nect the water heater only to a ground­ed pow­er out­let. Do not use one branch to con­nect a wash­ing machine, drill and oth­er devices with a resis­tive load along with a water heater. Oth­er­wise, a short cir­cuit may occur.
  6. If there is such an oppor­tu­ni­ty in the heat­ing sys­tem, then you can install a floor boil­er to any appli­ance in the work­place or in a pri­vate house. For exam­ple, draw a con­clu­sion for heat­ing a pool or bath. It is also pos­si­ble to make a full-fledged water heat­ing in the house, chas­ing water through pipes.
  7. If the cou­pling is not tight­ened enough or it is installed incor­rect­ly, the device will break down and you will need to repair it soon. In this case, it will not be repaired under war­ran­ty and the restora­tion will take place entire­ly at your expense.

Con­clu­sion

Installing a water heater to a water sup­ply sys­tem in a house or apart­ment is a task that requires some care and atten­tion.

Do not ignore the instal­la­tion advice that you will be giv­en in the hard­ware store. Lis­ten to every com­ment, because each brand has its own assem­bly strat­e­gy and design fea­tures, although in gen­er­al the devices are sim­i­lar to each oth­er. When buy­ing, pay atten­tion to the pack­ag­ing so as not to go to the store for parts a sec­ond time.

Do not for­get that any boil­er needs to be cleaned!

I would like to note that, unlike gas water heaters, water heaters do not require any accom­pa­ny­ing doc­u­ments that con­firm com­pli­ance with GOST stan­dards and do not need manda­to­ry cer­ti­fi­ca­tion.

Vik­tor Datsky

Con­sul­tant in the field of house­hold appli­ances. I help guests of the SovetExpert.ru project to choose the right prod­uct and save mon­ey when buy­ing. I have an unbi­ased opin­ion. Ready for dia­logue.

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