Learning 2.0

Engr Arnik
Why should gauge glass be checked regularly?
👉 Gauge glass shows the actual water level. Incorrect reading may cause dry firing or overfilling, both extremely dangerous conditions.

What is furnace purging before startup?
👉 Purging removes unburned gases from the furnace using fresh air before ignition. This prevents furnace explosion during startup.

Engr Arnik
Boiler Troubleshooting Questions with Answers (2026)

Why does burner fail to ignite?

Answer:
Causes:

No fuel supply
Ignition electrode fault
Low air pressure

Solution:
Check fuel line, ignition system, and air fan operation.

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