How to completelly overhaul old water heater

How to completelly overhaul old water heater

Whenever the water heater leaks the question is to fix it or to buy a new one? Most of the people just storm to the shop and acquire the new one or call a service in desperate panic for hot water. But no matter how old it is, if overhauling is done properly it will work well and reliably as well as new.To make that happen, broken non functional parts must be replaced by a number of new parts which require considerable funding.

Considering that criteria, each owner of broken boiler decide what to do, and of course service provider will try to persuade you to buy another fancy one. The comparison will be correct if the remanufactured boiler has all new parts.The only thing that you will retain is its old paneling.To make calculations, "put on paper" don't be lazy and go out to collect the prices of various components, in various shops.Of course, the prices vary from store to store.

Change water tank; Corrosion, over time, eroded its entire inner surface and the hole through which water leaks is only the first in a series of repairs. By the way it's better to buy entirely new tank than to try to fix a old one.Therefore you may happen to weld a tank and after a month it leak again.Today you can get chromium or stainless steel tanks that may leak only if their joints are not welded well.

Choose heater and install it in proper place; Selection of the heater must be adequate.You must install heater whose power is equal to or less than declared value for the water heater.If you install the heater with less power as a result you will have a slower heating but not lower water temperature in the boiler.Usually installed heater is one of 2 kW. Also, in chromium tank you should install only chromium or nickel heater.Copper is not a good choice.Between chromium sheet and copper tube of the heater is created a chemical reaction that leads to thinning of the heater tubes wall. If you do install such a heater expect that you will have to change it with new one every 6 months.Every removing of the heateraftera longtimerequiresthe replacementof oldrubber.In additionthere should be three smallrubberring-shaped rubbers in package .Twoare used forcontactsof the heater and the thirdforsealingpipeinwhich probes are placed.

Buy good quality security valves; All security (check) valves are the same structure but not the same quality.Quality valve releases water from the tank only when its pressure exceeds the 8 atmosphere. On the market there are bad valves which leak and release water at the lesser pressure. With these valves you will occasionally ( or always) have a leaking problem depending on the current water pressure in pipes.

Install new thermo regulator; Thermo regulatorisfactorycalibratedtomaintainthe temperature between35 and85 C.It is enoughtoturn theleverwhenbuying from leftto rightseveraltimesandyou willneedstohear theclosing andopeningof contacts. Thermo-fusehascontacts whicharein normalposition closed. When the water temperatureexceeds90 C, thesecontactsare openedandwill notreturnto its originalpositionevenwhenthe water temperaturedrops.Theyhave tobe manuallyreversedinto workingposition.Invery oldtypesthis requiresascrewdriverand fornew it is enoughto pressa certainkey.

Apply insulation; Conductorsmustbeinsulatedwithheat resistantsilicone with surface section2.5 mm2.The average lengthfor thereplacementof all thewiresinthe boilertakes about3meters.

Repaint plating; Iftheplatingtank is aged,jaundiced, oryouwant to make yourwater heateranothercolorbesideswhite,you canpaint it.There is also expensive solution to install tank inside ceramic plating which will look classy but also it will be quite a class of a price.

Tips:

In fact,you do not havetopaintthe boilercasingif you think itstilllookdecent.You do not needto changethermo regulatoror thermo switchiftheyare correct.Thisapplies tothesafety valvealso butitis recommendedtoreplaceityetbecause ofaccumulatedlimein it.Also, you don't need to change conductorsif youdo not seeany visibledamage on them.So, theconclusion wouldbethat,ineconomic terms,certainlyit is worthto repairthe water heater if you know what you have to and what you don't have to repair or buy.

Warning:

All of the aboveis quite easy to do ifyou have boiler whichhaveinsulatingglass wool.Newerwater heatershave isolationinthe form offoamandwhenit leaks you needto buya new one.

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