01
Not heating water
Water stays cold even though the unit is on. The cause may be the thermostat, the heating element, power, or the safety cutoff.
Thermostat Replacement
in Tbilisi
Water heater not heating, overheating, or running unstable? We'll check the thermostat and heating element, replace the faulty part — all in one visit.
- Thermostat and heating diagnostics
- Replacement in 1 hour
- Temperature setup and operation check
- Price agreed before work starts
We'll call you back within 5 minutes — we'll confirm the symptoms and pick a time.
When the thermostat needs replacing
The thermostat controls heating and shuts the unit off when it reaches the set temperature. When it misbehaves, the unit may not heat, may overheat, or may shut off unexpectedly.
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- 02
Overheating water
If the water gets too hot or temperature control is off, the thermostat and safety devices need to be checked.
- 03
Shuts off on its own
The unit may shut off due to a faulty thermostat, overheating, heating element issues, or a misbehaving safety cutoff.
- 04
Heats unevenly
Water temperature swings for no clear reason — one moment hot, the next barely warm. Often tied to a faulty thermostat.
- 05
Temperature dial doesn't work
If turning the dial doesn't change heating behavior, the technician checks the thermostat, contacts, and control.
- 06
Safety cutoff trips
If the unit goes into safety mode, shuts off, or won't restart after overheating, both the thermostat and electrical side need diagnostics.
What's included in thermostat replacement
First the technician verifies that the thermostat is really the cause. After diagnostics, they confirm the price, replace the faulty part, set the temperature, and check stable operation.
Why diagnostics matter
Similar symptoms can come from the heating element, power, safety cutoff, contacts, or scale. So before replacement it's important to check the whole heating chain, not swap parts at random.
- Diagnostics of the unstable heating cause
- Thermostat, heating element, and power check
- Contact and safety device check
- Removing the faulty thermostat
- Installing the new thermostat and setting the temperature
- Heating, cutoff, and stable-operation check
When the thermostat is the answer,
and when it isn't
Before replacement, you need to know which part is causing the issue. Sometimes it really is the thermostat, sometimes the cause is the heating element, scale, or the connection.
Thermostat replacement is needed
- overheats water;
- doesn't regulate temperature;
- shuts off on its own;
- runs unstable.
Cause may be the heating element
- not heating water;
- tripping the breaker;
- element is damaged;
- sparks or shocks.
Cleaning or repair is needed
- heats slowly;
- noisy;
- bad contacts;
- unit hasn't been serviced in a while.
How thermostat replacement
works
From request to result — no extra steps
- 01
You send a request
Call or message us and describe how the unit behaves: not heating, overheating, shutting off, or temperature dial doesn't work.
- 02
We clarify the symptoms
We'll ask about the model, capacity, age, and whether there are error codes, overheating, weak heating, shutoffs, or breaker issues.
- 03
Diagnostics
The technician checks the thermostat, heating element, power, contacts, safety devices, and the overall condition of the unit.
- 04
Price agreed
Before any work, we explain what's faulty, the options, and what the replacement will cost.
- 05
Replacement and check
After replacement, the technician sets the temperature, verifies heating, the cutoff, and stable operation of the unit.
Water heater running unstable?
We'll come today. Replacement price agreed before work starts.
Thermostat replacement pricing in water heaters
Price depends on the model, the type of thermostat, access to the service port, and any additional work. The technician confirms the final price before the repair starts.
- Water heater diagnostics from 50 ₾
- Thermostat replacement from 80 ₾
- Thermostat replacement with heating element check from 100 ₾
- Additional heating element, valve, or gasket replacement from 80 ₾
Spare parts are billed separately. If diagnostics show the cause isn't the thermostat, the technician will recommend a different repair approach.
We service water heaters
from many brands
We replace thermostats in popular electric storage tank water heaters installed in apartments, houses, and commercial spaces across Tbilisi.
Popular brands
Water heater types we cover
- Vertical water heaters
- Horizontal water heaters
- 30–100+ liter units
- Storage tank electric water heaters
- Units in apartments, houses, offices, and small commercial spaces
Frequently asked questions
Answers to the most common questions before booking thermostat replacement.
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How do I know the thermostat is broken?
Common signs are: water overheats, the unit shuts off on its own, the temperature dial doesn't change behavior, or heating is unstable. But you can only confirm the cause after diagnostics.
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If the unit isn't heating water, is it definitely the thermostat?
Not always. The unit may not heat due to the heating element, power, safety cutoff, contacts, or scale. So the technician checks the whole heating chain first.
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Can I keep using the heater if it's overheating?
Better not to delay diagnostics. Overheating may be tied to a faulty thermostat or safety device, so the unit needs to be checked.
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How long does thermostat replacement take?
Usually about 1 hour if the service port is accessible and no extra repair is needed.
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Do you bring the new thermostat with you?
It depends on the model and part availability. Sometimes the right thermostat can be sourced in advance from the model or a photo of the rating label; other times diagnostics come first.
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Does the tank need to be drained for thermostat replacement?
Not always. It depends on the unit's design and where the part sits. The technician evaluates on site before starting.
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What if the cause turns out not to be the thermostat?
The technician will explain the real cause and recommend a different fix: heating element replacement, cleaning, contact check, or connection repair.
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Can the thermostat be replaced without removing the unit from the wall?
In most cases, yes. It depends on the model, access to the bottom, and free space around the unit.
Still have questions?
Call us — we'll confirm the symptoms, tell you whether the thermostat is likely the issue, and pick an arrival time.
Need a thermostat replacement?
Send a request — we'll confirm the symptoms, pick an arrival time, and verify whether the unit really needs a new thermostat.
Request received
We'll call you back within 5 minutes