Randfontein · Same-day
Gas Boiler Not Igniting in Randfontein
The boiler attempts to start, clicks or purges, then locks out without lighting. This page covers how we diagnose and repair it on boilers in Randfontein.
This fault is normally treated as same-day work because the site has effectively lost hot water, steam or safe operation.
Mining and industrial sites with boiler plant and bulk hot water requirements. Where a site runs on borehole water, hardness and iron content shorten service intervals considerably and are worth testing before setting a maintenance plan.
- Area
- Randfontein, West Rand
- Equipment
- Boilers
- Call
- 069 268 0988
What we find here
Likely causes
- Failed ignition electrode or transformer
- No gas supply or closed valve
- Gas solenoid or valve failure
- Air pressure switch not proving
- Blocked flue or condensate trap
How it is confirmed
Diagnostic sequence
- Electrode gap and spark test
- Gas pressure measurement at the train
- Air proving switch continuity test
- Flue and condensate path inspection
Repair route
Repair services in Randfontein
Boiler Repairs Randfontein
Repairs to gas, diesel, electric and steam boilers across Gauteng.
Boiler Maintenance Randfontein
Planned boiler servicing, combustion tuning and safety device testing.
Gas Boiler Repairs Randfontein
Natural gas and LPG boiler repairs, ignition and flame failure faults.
Industrial Boiler Repairs Randfontein
Heavy-duty boiler plant repairs for factories and processing sites.
Coverage
Nearby areas
- Gas Boiler Not Igniting Krugersdorp
- Gas Boiler Not Igniting Florida
- Gas Boiler Not Igniting Honeydew
- Gas Boiler Not Igniting Ruimsig
- Gas Boiler Not Igniting Roodepoort West
- Gas Boiler Not Igniting Roodepoort
- Gas Boiler Not Igniting Magaliessig Ext
- Gas Boiler Not Igniting Paulshof
- Gas Boiler Not Igniting Paulshof Ext
- Gas Boiler Not Igniting Rosebank Ext
FAQs
Frequently asked questions
What causes gas boiler not igniting?
The usual causes are failed ignition electrode or transformer, no gas supply or closed valve, gas solenoid or valve failure, air pressure switch not proving. Which one it is can only be confirmed by measurement, not by symptom alone.
How do you diagnose it?
Electrode gap and spark test; Gas pressure measurement at the train; Air proving switch continuity test; Flue and condensate path inspection. The readings are recorded so the repair decision is based on data.
Can I keep using the system in the meantime?
No — isolate the plant and call 069 268 0988. Running it in this condition risks further damage or an unsafe situation.
Do you attend this fault in Randfontein?
Yes. West Rand visits carry a fuller van stock because parts runs back to Johannesburg cost time. Water quality testing is included with maintenance in this area.
Gas Boiler Not Igniting — Randfontein
Water quality testing is included with maintenance in this area.