Thermal fluid heaters delivering high process temperatures at low pressure — no steam, no pressure vessel risk.
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Troubleshooting Guide
Tap a fault for likely causes, what to check on site, and when to call us out.
Likely causes
What to check
Send a fluid sample for analysis — viscosity, flash point, carbon residue and low boilers tell the full story.
When to call us
As soon as analysis flags degradation; carbon deposits cause hot spots and coil failure.
Likely causes
What to check
Compare pump differential pressure and flow with commissioning data.
When to call us
If venting and a pump check don't restore temperature, the coil likely needs cleaning.
Likely causes
What to check
Inspect flanges and pump seals when hot — hot thermal oil leaks are a serious fire risk.
When to call us
Immediately — shut down and call out; thermal oil above its flash point ignites readily.
FAQ
Thermal oil reaches 300 °C or more at near-atmospheric pressure, so you avoid high-pressure vessel duty, water treatment, blowdown losses and freezing risk. It suits precise, high-temperature process heating.
At least annually, and every six months on high-duty plant. Testing is far cheaper than a coil failure caused by degraded fluid.
Yes — a planned flush and change-out is usually a two- to three-day job with the correct flushing fluid and disposal arrangements.
Service Areas
Thermal oil boiler repair and maintenance in your area. Tap a suburb for local service details.
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