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Frequently Asked Questions
What does going electric remove?
Combustion, flue and fuel storage.
No gas supply or oil tank is needed.
No flue penetration through the building.
Siting becomes far more flexible.
Most boiler house infrastructure disappears.
That is usually why it is chosen.
How should capacity be matched?
To the demand pattern, not just the peak.
Steam demand is often intermittent.
Sizing for a short peak causes constant cycling.
Cycling wears contactors and elements.
A smaller unit with storage often performs better.
Describe the pattern when enquiring.
Why does water quality dominate?
Impurities stay behind when water leaves as steam.
They concentrate in the vessel continuously.
Hard water scales the elements.
Scale insulates them and they overheat.
Treatment decides service life.
It is not an optional refinement.
What does blowdown do?
Removes concentrated impurities from the vessel.
Without it they accumulate indefinitely.
It needs a drain that accepts hot water.
Automatic blowdown removes human dependence.
Manual blowdown relies on somebody remembering.
Design the drain with the unit.
What limits capacity in practice?
The electrical supply, very often.
Steam generation is energy intensive.
Available supply caps the unit before demand does.
Upgrading supply can exceed the equipment cost.
Check it at the earliest stage.
It decides feasibility, not just selection.
What certification applies?
Pressure equipment rules in most jurisdictions.
Requirements vary with volume and pressure.
Periodic inspection is commonly mandated.
Some sizes fall below the threshold.
Confirm the position where it will be installed.
Registration may be required before use.
What maintenance does it need?
Element inspection and vessel cleaning.
Scale removal on a schedule.
Blowdown valve and level control checks.
Safety valve testing as required.
Water treatment monitoring throughout.
Neglected treatment shortens life dramatically.