Steam boiler daily check: operator checklist
Daily operator check of a steam boiler: gauge glass and water level, low-water cut-off test, blowdown, feedwater pump, chemical dosing, working pressure, burner flame, safety valves and leaks.
16 checkpointsBoilers and steamVersion 1Updated
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Section 1 of 3
Water side
Gauge glass — Water level visible in the gauge glass and at the normal working level
Pass / FailCritical riskGauge glass — Blow down the gauge glass
Done / Not doneGauge glass — Level returns promptly after the gauge glass blowdown
Pass / FailHigh riskLow-water cut-off — Tested per the site procedure: the burner locks out and the alarm sounds
Pass / FailCritical riskBottom blowdown — Carry out the bottom blowdown as the water treatment schedule requires
Done / Not doneFeedwater pump — Pump starts and stops on level, without leak or abnormal noise
Pass / FailWater treatment — Chemical dosing running, dosing tank level sufficient
Pass / Fail
Section 2 of 3
Steam and firing
Pressure gauge — Steam pressure within the working range
Pass / FailHigh riskBurner — Flame stable and of the correct colour, no smoke at the stack
Pass / FailBurner control — No lockout, alarm or fault on the burner control
Pass / FailFuel train — Any fuel leak or gas smell around the burner train?
Yes / NoNon-conforming answer: YesCritical risk
Section 3 of 3
Safety and boiler house
Safety valves — Sealed, not leaking or simmering, discharge pipe unobstructed
Pass / FailCritical riskPipework — Any steam, water or condensate leak?
Yes / NoNon-conforming answer: YesBoiler house — Ventilation openings clear, no combustible material stored, access routes clear
Pass / FailHigh riskBoiler log — Record pressure, water level tests and blowdowns in the boiler log
Done / Not doneRemarks — Observations for the boiler supervisor
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Official FreeMaint template, free to use and adapt inside your FreeMaint workspace. An adaptation may be shared in the library under CC BY 4.0; its page then credits this template.
Templates are general guidance. They do not replace the manufacturer’s instructions, your site procedures or applicable regulations.
Equipment: Boilers and steam
Industries: Manufacturing, Food and beverage, Healthcare, Energy and utilities
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