
When it comes to professional-grade steam cleaning, what's inside the machine matters just as much as what comes out of it. That's why Reliable Steam Cleaners are built with a 100% stainless steel boiler, designed to deliver consistent, high-quality steam, day after day. But why stainless steel? And what makes it superior to Cast Iron in steam boiler construction?

Let's Break It Down |
1. Corrosion Resistance That Lasts
Cast Iron may be strong, but it doesn’t hold up well against moisture—especially when tap water or hard water is used. Over time, Cast Iron boilers are prone to rusting, which can lead to breakdowns, dirty steam, and expensive maintenance.
Stainless steel, on the other hand, is naturally resistant to corrosion, thanks to high levels of chromium, nickel, and molybdenum in its composition. The Reliable Steam Cleaner's Italian-made stainless steel tank is built to handle daily steam production—even with tap water—without degrading from the inside out.
2. Tap Water or Distilled—Your Choice.
One of the biggest advantages of stainless steel boilers is water flexibility. While most steam cleaners with Cast Iron boilers require distilled water only, Reliable Steam Cleaners are designed to safely handle tap water. That means fewer operating costs, greater convenience, and no worries about premature rust or corrosion when using standard water.
3. Hygienic by Nature
Steam cleaning is all about precision and cleanliness. Stainless steel is non-porous, easy to clean, and naturally resists bacterial buildup, making it a trusted material in medical, fine jewelry, and food-grade applications.
4. Built to Withstand the Heat
Steam inside the Reliable Steam Cleaner reaches temperatures of 105°C under 4.1 bars of pressure. With a stainless steel boiler, there’s no warping, cracking, or weakening over time. Stainless maintains its integrity under repeated heating and cooling cycles, ensuring reliable performance for years.
5. Low Maintenance, High Performance
A properly constructed stainless steel boiler—like the one in Reliable Steam Cleaners—is practically maintenance-free. It doesn’t scale, pit, or flake like Cast Iron, which means fewer service calls and longer intervals between cleanings. And when maintenance is required, the Reliable Steam Cleaner includes a built-in blowdown valve for easy draining and cleaning.
6. Welded for Strength and Reliability
Reliable Steam Cleaners are constructed from AISI 304 austenitic stainless steel—renowned for its excellent weldability and structural integrity. This ensures stronger, more durable seams that hold up under continuous pressure and high heat, delivering long-lasting performance you can count on.
7. Long-Term Value
While Cast Iron might offer a lower upfront cost, it often ends up costing more in the long run due to higher maintenance, shorter lifespan, and potential for contamination. Stainless steel is a more durable, long-lasting investment that delivers a lower total cost of ownership.
8. Polished, Professional Appearance
Let’s not forget aesthetics. Stainless steel doesn’t just perform better—it looks better. Unlike Cast Iron, which can develop a dull, stained appearance over time, stainless steel maintains its polished, clean look—reflecting the quality and professionalism of your work.
Why It Matters for You
Reliable Boilers aren’t just steam cleaners—they’re professional tools built for daily use. When reliability, hygiene, and long-term durability matter, stainless steel is the only choice. That’s why we build our steam cleaners the way we do—Made in Italy with an all-stainless steel boiler, backed by four layers of safety systems, and engineered to perform day in and day out.