John Thompson · South Africa
John Thompson Steam Boiler Repairs in Johannesburg
John Thompson steam boiler repairs across Gauteng. Locally manufactured industrial plant with strong local parts support.
John Thompson equipment we work on includes packaged steam and hot water boilers. Commonly replaced parts on this brand are level controls, burners, refractory, and we keep or source these against the unit's model and serial plate rather than by guesswork.
Steam boiler repairs are governed by the safety chain as much as by the fault. Level control failures, feedwater problems and burner faults account for most breakdowns; carryover, priming and pressure instability usually point back to water chemistry or an overloaded steam header rather than a mechanical fault.
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
- Level controls, burners, refractory
- Turnaround
- Breakdown response prioritised for production plant.
- Call
- 069 268 0988
What is included
Scope of work
- Level probe, float chamber and low-water cut-out repairs
- Feedwater pump and deaerator repairs
- Burner overhaul and combustion tuning
- Steam trap, header and condensate return repairs
- Safety valve testing and reset
- Tube, gasket and refractory work
Technical detail
Specifications
| Types | Fire-tube, coil, vertical, packaged |
|---|---|
| Output range | 100 kg/h – 10 t/h steam |
| Pressures | Up to 10 bar(g) |
| Compliance | Work aligned with vessel inspection requirements |
| John Thompson ranges | Packaged steam and hot water boilers |
When to call
Symptoms we see on this equipment
- Wet steam or carryover at the header
- Level control hunting or false alarms
- Pressure cannot be held under production load
- Frequent safety valve lifting
Coverage
John Thompson Steam Boiler Repairs by area
- John Thompson Steam Boiler Repairs Johannesburg
- John Thompson Steam Boiler Repairs Sandton
- John Thompson Steam Boiler Repairs Randburg
- John Thompson Steam Boiler Repairs Midrand
- John Thompson Steam Boiler Repairs Fourways
- John Thompson Steam Boiler Repairs Bedfordview
- John Thompson Steam Boiler Repairs Germiston
- John Thompson Steam Boiler Repairs Boksburg
- John Thompson Steam Boiler Repairs Benoni
- John Thompson Steam Boiler Repairs Kempton Park
- John Thompson Steam Boiler Repairs Edenvale
- John Thompson Steam Boiler Repairs Alberton
- John Thompson Steam Boiler Repairs Roodepoort
- John Thompson Steam Boiler Repairs Krugersdorp
- John Thompson Steam Boiler Repairs Centurion
- John Thompson Steam Boiler Repairs Pretoria
FAQs
Frequently asked questions
Are you an authorised John Thompson agent?
We are an independent specialist. We repair and maintain John Thompson 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 John Thompson parts?
Level controls, burners, refractory for John Thompson 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 John Thompson steam boiler repairs include?
Level probe, float chamber and low-water cut-out repairs, Feedwater pump and deaerator repairs, Burner overhaul and combustion tuning, plus verification that the unit performs to the manufacturer's stated figures after the repair.
Where do you service John Thompson 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 John Thompson unit?
Where the tank or coil has perforated, replacement is usually the honest answer and we will say so on site. Locally manufactured industrial plant with strong local parts support.
John Thompson steam boiler repairs
Serving Johannesburg, Ekurhuleni, West Rand, Midrand, Centurion and Pretoria.