Coal boiler repair, maintenance and annual inspection in Wonderboom and the wider Pretoria area. Same-day response for commercial and industrial plant across Gauteng.
Local Service
Our certified technicians service coal boilers across Wonderboom and the Pretoria region — from large laundry and textile steam to mining and metallurgical process steam. We carry common burner spares, safety valves and controls for major brands including John Thompson, Cyclotherm, ACTOM John Thompson, Babcock. Annual inspection, combustion analysis, tube cleaning and emergency breakdown response are all available in Wonderboom.
Brands
Our Service
Troubleshooting
Likely causes
What to check
Inspect the fire bed for cold corners and clinker mass; verify coal size and ash fusion temperature against the boiler spec.
When to call us
When output drops with the same coal feed — grate work needs a planned shutdown.
Likely causes
What to check
Thermal-image the casing during operation; hot spots identify failing refractory before it collapses.
When to call us
Before the next shutdown window so the refractory repair and drying schedule can be planned.
Likely causes
What to check
Observe stack opacity across load changes and inspect cyclone hoppers for build-up.
When to call us
Ahead of any Air Quality Act compliance inspection or emissions test.
FAQ
It depends on fuel pricing, emissions obligations and the remaining life of the shell. We do a comparative running-cost study before recommending conversion, since a well-maintained coal boiler can still be the lowest-cost option on some sites.
Yes. We do thickness testing first, then a full or partial retube with certified welding and a hydraulic test to the applicable pressure equipment regulations.
Larger boilers require a competent, appointed operator under the Pressure Equipment Regulations. We provide operator familiarisation training as part of installation and contract handover.
Nearby Areas
Send nameplate photos and we quote within 24 hours.
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