Tesy · Bulgaria
Tesy Calorifier Repairs in Johannesburg
Tesy calorifier repairs across Gauteng. Compact storage plant used in flats and guest accommodation.
Tesy equipment we work on includes electric storage water heaters. Commonly replaced parts on this brand are elements, thermostats, seals, and we keep or source these against the unit's model and serial plate rather than by guesswork.
Calorifiers fail predictably: the coil scales or perforates, the steam control valve sticks, or the condensate trap fails and floods the coil. A perforated coil shows up as rising tank pressure or contaminated condensate and needs isolation before it damages the rest of the circuit.
Recovery rate and storage volume have to be considered together; adding heating capacity to undersized storage rarely fixes a peak-hour shortfall. Gauteng municipal water is moderately hard, so scale on elements and heat exchangers is the single most common cause of falling performance.
- Parts
- Elements, thermostats, seals
- Turnaround
- Coil replacement usually needs an isolation window; scoped after testing.
- Call
- 069 268 0988
What is included
Scope of work
- Coil pressure testing, repair and replacement
- Steam control valve and actuator repairs
- Trap, strainer and condensate return repairs
- Tank descale and internal inspection
- Thermostat, sensor and safety valve replacement
- Insulation and cladding renewal
Technical detail
Specifications
| Types | Vertical, horizontal, storage and semi-storage |
|---|---|
| Heat source | Steam, HTHW, LTHW |
| Testing | Hydraulic coil test and tank integrity check |
| Materials | Mild steel, stainless and copper coil options |
| Tesy ranges | Electric storage water heaters |
When to call
Symptoms we see on this equipment
- Condensate contaminated with treated water
- Slow reheat after draw-off
- Control valve hunting or stuck open
- Visible corrosion at the coil flange
Coverage
Tesy Calorifier Repairs by area
- Tesy Calorifier Repairs Johannesburg
- Tesy Calorifier Repairs Sandton
- Tesy Calorifier Repairs Randburg
- Tesy Calorifier Repairs Midrand
- Tesy Calorifier Repairs Fourways
- Tesy Calorifier Repairs Bedfordview
- Tesy Calorifier Repairs Germiston
- Tesy Calorifier Repairs Boksburg
- Tesy Calorifier Repairs Benoni
- Tesy Calorifier Repairs Kempton Park
- Tesy Calorifier Repairs Edenvale
- Tesy Calorifier Repairs Alberton
- Tesy Calorifier Repairs Roodepoort
- Tesy Calorifier Repairs Krugersdorp
- Tesy Calorifier Repairs Centurion
- Tesy Calorifier Repairs Pretoria
FAQs
Frequently asked questions
Are you an authorised Tesy agent?
We are an independent specialist. We repair and maintain Tesy equipment using correct-specification parts, and where a unit is still under manufacturer warranty we will tell you before doing anything that could affect it.
Can you get Tesy parts?
Elements, thermostats, seals for Tesy are ordered against the model and serial plate. Where an original part has a long lead time we will offer a compatible equivalent and say clearly which one is being fitted.
What does Tesy calorifier repairs include?
Coil pressure testing, repair and replacement, Steam control valve and actuator repairs, Trap, strainer and condensate return repairs, plus verification that the unit performs to the manufacturer's stated figures after the repair.
Where do you service Tesy equipment?
Across Johannesburg, Ekurhuleni, West Rand, Midrand, Centurion and Pretoria. Call 069 268 0988 to confirm attendance for your address.
Is it worth repairing an older Tesy unit?
Where the tank or coil has perforated, replacement is usually the honest answer and we will say so on site. Compact storage plant used in flats and guest accommodation.
Tesy calorifier repairs
Serving Johannesburg, Ekurhuleni, West Rand, Midrand, Centurion and Pretoria.