Midrand · Midrand & Centurion
Tesy Calorifier Repairs in Midrand
Tesy calorifier repairs in Midrand. 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.
Fast-growing estates, warehousing and corporate campuses, with a high proportion of newer heat pump installations and modular banks. Commissioning faults and control sequencing issues are common on newer plant here. Gauteng municipal water is moderately hard, so scale on elements and heat exchangers is the single most common cause of falling performance.
- Area
- Midrand, Midrand & Centurion
- Parts
- Elements, thermostats, seals
- Call
- 069 268 0988
Tesy · Midrand
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 |
| Local context | Fast-growing estates, warehousing and corporate campuses, with a high proportion of newer heat pump installations and modular banks. |
Coverage
Nearby areas
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.
Do you service Tesy units in Midrand?
Yes. Midrand is inside our service area. Midrand and Centurion sit between the Johannesburg and Pretoria routes, so attendance windows are usually the shortest of any area.
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 service in Midrand
Commissioning faults and control sequencing issues are common on newer plant here.