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Illovo · Same-day

Boiler Low Water Alarm in Illovo

The low water cut-out trips and stops the boiler even when the tank has water. This page covers how we diagnose and repair it on steam systems in Illovo.

This fault is normally treated as same-day work because the site has effectively lost hot water, steam or safe operation.

Boutique hotels, restaurants and offices with compact plantrooms. Gauteng municipal water is moderately hard, so scale on elements and heat exchangers is the single most common cause of falling performance.

Area
Illovo, Johannesburg
Equipment
Steam systems
Call
069 268 0988

What we find here

Likely causes

  • Fouled level probe
  • Failed feed pump or check valve
  • Blocked feedwater strainer
  • Air lock in the feed line
  • Level control board failure

How it is confirmed

Diagnostic sequence

  • Strip and clean level probes
  • Feed pump pressure and flow test
  • Strainer inspection
  • Level control function test

FAQs

Frequently asked questions

What causes boiler low water alarm?

The usual causes are fouled level probe, failed feed pump or check valve, blocked feedwater strainer, air lock in the feed line. Which one it is can only be confirmed by measurement, not by symptom alone.

How do you diagnose it?

Strip and clean level probes; Feed pump pressure and flow test; Strainer inspection; Level control function test. 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 Illovo?

Yes. Technicians work out of the central Johannesburg base, which keeps travel time short for northern-suburb call-outs. Space-constrained plantrooms need careful replacement planning.

Boiler Low Water Alarm — Illovo

Space-constrained plantrooms need careful replacement planning.