Therma-Kleen Propane Steam Cleaner

Frequently Asked Questions
It is highly recommended to use distilled, softened, or bottled water to prevent the buildup of mineral deposits (limescale) in the boiler. Using tap water, especially in hard water areas, will necessitate more frequent descaling maintenance.
The propane-fired units are very efficient and some, like the Ultra 1300, can achieve maximum temperature in under a minute.
Propane units are clean-burning and designed for use in medium-to-large indoor and outdoor areas. However, it's important to check for any restrictions in your specific building and ensure adequate ventilation. Always use a heat deflector when operating under low ceilings or near flammable materials.
No, only plain water should be added to the water tank. Chemicals can damage the pump and aluminum coils. If chemicals are needed, some models offer an optional external chemical injection system, or the chemical should be applied manually to the surface before cleaning.
Yes, the propane-fired units (such as the Ultra 600 and Ultra 1300) require a 115 VAC or 220 VAC electrical outlet to power the pump and other electrical components.
The most important maintenance is to flush out the mineral deposits from the boiler regularly (every other week or as needed). Also, after each day's use, the unit should be flushed with fresh water and completely emptied before storage to prevent damage from freezing.