The Ultra 600 produces 2.4× more pressure than the Ultra 250 — 600 PSI at 350°F versus 250 PSI — in the same 23" × 18" × 32" chassis at 100 lbs. The higher pressure unlocks industrial degreasing applications where the Ultra 250's 250 PSI is insufficient: packed grease on conveyor chains, road film on fleet vehicles, and equipment crevices where lower pressure steam cannot penetrate. Same 130,000 BTU/hr propane burner, same 1.5 GPM adjustable flow, same EPA clean-burn standard — just higher pressure output.
Ultra 600 Steam Temperature, PSI, and Propane Output
When the Ultra 250 isn't enough pressure and the XL electric series isn't practical without 3-phase power, the Ultra 600 fills the gap with propane-powered 600 PSI output usable anywhere with a propane supply and standard outlet.
600 PSI output pressure (41 bar) — industrial-grade penetration into packed grease, scale, and road film; adjustable down for delicate surfaces
350°F maximum steam temperature — 138°F above the thermal sanitization threshold; effectively kills most pathogens without chemical addition
1.5 GPM water volume — same flow as Ultra 250; pressure is the differentiator, not water consumption
130,000 BTU/hr propane burner — rapid heat-up; EPA clean-burning rated for outdoor and semi-enclosed use
Electronic pilot ignition — reliable start in outdoor conditions; combined with flow switch, pressure relief valve, and high temperature limit switch
25 ft high-pressure steam hose included — 100 ft hose available as optional accessory
Ultra 600 Applications and Environments
Fleet washing and vehicle maintenance facilities use the Ultra 600 for road film and undercarriage degreasing where high pressure and heat together outperform chemical degreasers alone. Food processing equipment — fryers, ovens, conveyor systems — benefits from the combination of 600 PSI penetration and chemical-free sanitation that satisfies USDA compliance. Agricultural equipment cleaning between seasons uses the propane power source where electrical service is unavailable in the field. The Ultra 600 targets applications where the Ultra 250 at 250 PSI reaches the cleaning threshold but cannot push through heavy contamination — the same footprint and propane requirement, 2.4× more pressure.
Ultra 600 Steam Temperature, PSI, and Dry-Steam Output
Output temperature: 350°F (176°C). Output pressure: 600 PSI (41 bar). Water volume: 1.5 GPM. Burner output: 130,000 BTU/hr. Ships with: 4 ft wand with trigger gun, blast nozzle, fuel pressure gauge, LP gas quick connect, main propane regulator, 25 ft high-pressure steam hose, instructional manual and DVD. Fan nozzle for the Ultra 600 is sold separately (different specification from the Ultra 250 fan nozzle — verify when ordering). For environments needing 97% dry vapor steam with continuous-fill capability, the XL1 or XL3 electric series may be more appropriate for fixed installations.
Specifications
Maximum Output Temperature
350°F / 176°C
Output Pressure
600 PSI / 41 bar
Water Volume
1.5 GPM
Fuel
LP (propane) gas
Burner Output
130,000 BTU/hr
Electrical Requirements
115VAC 6.8A or 220VAC 3.5A, 50/60 Hz
Dimensions
23" × 18" × 32"
Weight
100 lbs
Hose Included
25 ft high-pressure steam hose
Safety Features
Electronic pilot ignition, high temp limit switch, pressure relief valve, flow switch
Both models share the same 350°F temperature, 1.5 GPM flow, 130,000 BTU/hr propane burner, and chassis dimensions. The Ultra 600 produces 600 PSI output pressure versus 250 PSI on the Ultra 250 — 2.4× more pressure for penetrating packed grease, scale, and heavy contamination that the Ultra 250 cannot displace.
What PSI does the Ultra 600 produce?
The Ultra 600 produces 600 PSI (41 bar) at the output nozzle. This is the highest pressure in the Therma-Kleen portable propane line — the Ultra 250 produces 250 PSI and the XL electric series also produces 600 PSI but requires 3-phase electrical service.
Is the Ultra 600 USDA allowable for food processing environments?
The Ultra 600 propane burner burns EPA clean — no toxic combustion byproducts. Steam cleaning without chemicals is USDA allowable in food processing environments where chemical sanitizer residue is a compliance issue. Confirm ventilation requirements for your specific facility.
Does the Ultra 600 need 3-phase electrical service?
No. The Ultra 600 runs on propane with a 115VAC, 6.8-amp or 220VAC, 3.5-amp pilot ignition circuit — standard single-phase power. Only the XL electric series requires 3-phase service.
What accessories are included with the Ultra 600?
The Ultra 600 ships with: 4 ft wand with trigger gun, blast nozzle, fuel pressure gauge, LP gas quick connect, main propane regulator, and 25 ft high-pressure steam hose. Note: the fan nozzle for the Ultra 600 differs from the Ultra 250 version — verify part number when ordering the fan nozzle accessory.
Can a longer hose be used with the Ultra 600?
Yes. A 100 ft steam hose is available as an optional accessory for large equipment cleaning, long-distance applications, or situations where moving the machine is not practical.
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5. How long does it take for my order to arrive?
Estimated arrival time (ETA) is 5-7 business days for all orders.
6. Do you offer warranty?
All our products come with a manufacturer warranty of at least 1 year, depending on the brand.
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Two thumbs up and thank goodness for the Therma-Kleen line of products! In 2019 we purchased the Propane Ultra 600 to use in our plant. It is a perfect solution for keeping an electroplating job shop clean. Perfect for cleaning gutters, tanks, walls, filters, and all kinds of equipment. It has been a godsend. We are going to purchase an additional Propane Ultra 600 and are adding the Therma-Steem #10 cleaner to our arsenal of cleaning weapons. Especially in this season of virus, cold and flu, the steam cleaner will be invaluable for our plant and for the health and safety of our employees. Bonus is that these products are made in the USA, in AuGres, MI. This company is keeping our communities working. That’s what it’s all about.
Located in the Twin Cities in Minnesota, we acquired our Brio Air Filter in mid-late Spring of this year (2023) when pollen count was high and we were beginning to experience the effects of Poor Air Quality Index as a result of smoke particulates from fires in Canada that caused the air in much of Minnesota to become hazy and simply dirty.
It is so easy to share our experience with the Brio Air Filter given how quickly and efficiently it removed pollen, dust, and smoke particles from the environment inside our home. Two people in our home who suffer from pollen-related allergies during the spring immediately experienced easier breathing and elimination of symptoms within the house. With respect to smoke particulates from Canada drifting into our environment, EVERYONE in our home experienced directly improved breathing and smell of the air when entering from outside.
An additional piece of information to account for is that we have always employed high grade furnace filters in our home’s central HVAC system. With that high grade filtration in place both prior to and after acquiring a Brio home air filter, we all quickly agreed that deploying the Brio in our home made an easily noticeable positive difference in breathing inside our home. Additionally, those of us who clean our home have observed that dust builds up slower on our floors and furniture than before we deployed the Brio unit.
We did note that the Brio is not as quiet as a few other brands/models on the market that we have tried in our home but the efficiency and quality of the filtration, along with the air turnover rate it provides,allows us to locate the Brio unit in central rooms away from the bedrooms. Since we made that change there has been no noise-related effect on our sleep, while the unit maintains the same level of air cleanliness throughout our home.
A last key point to make is how easy the Brio unit is to maintain. The simplicity of the modular construction of the Brio unit makes it very quick and easy to keep the filtration sections clean. We have not yet reached a point of filter replacement but it is obvious to us that the replacement will take a matter of seconds and can be executed by anyone in our home, including our 10-year-old son.
It seems to help reduce my allergy issues. We're glad we bought it. The only problem I had was not seeing any cubic footage recommendations in the online description when purchasing the unit. Bedrooms vary widely in size!!
