A fixed steam cleaning machine does what its name says: it stays where you install it. Everything beyond that point — how far the lance reaches, which surfaces it can touch, how quickly an operator moves from an engine compartment to a vehicle interior — is decided by the accessories you order with it. The machine's data sheet tells you what the boiler can do. Your accessory list decides what your team can actually clean. Before that list goes to a supplier, work through the questions below.
1. How far is each task from the point where the machine will stand?
With a stationary unit, reach is the first constraint, and it is measured from the installed position — not from a catalogue photo. Mark the final spot on the floor first. The PowerDe HW02 steam cleaner, for example, occupies 1,200 × 800 × 1,200 mm including handles, so walls, drains, columns and vehicle traffic all narrow where it can realistically go.
Then take a tape measure from that marked point to the far edge of every job: the far corner of the largest vehicle you wash, the roof line, the rear of the engine bay. Ask the supplier, in writing, for the steam hose length, the maximum extension lance available, and whether longer hoses are offered. If a measured distance exceeds hose plus extension, either move the planned position or plan a guided hose run before ordering — not after the machine is bolted down.
2. What surfaces will the nozzle actually touch?
The HW02 product page lists vehicle exterior cleaning at gas stations and parking lots, engine-compartment cleaning, and interior vacuuming and disinfection. Those are three different tool sets. Painted panels want a wide fan tip that spreads heat without forcing water under trim. Engine bays want a narrow lance or crevice nozzle that fits between the battery, the airbox and the inner wing. Interiors want soft tools and the vacuum, not a steam tip at all.
Write your own surface list before you look at any accessory catalogue, then match one tool to each line on it. A generic "multi-purpose tool pack" is usually half unused parts and one missing nozzle you actually needed.
3. Which mode does each task need — dry steam or wet steam?
The HW02 switches between dry and wet steam, and its data sheet lists 160°C steam at 0.8 MPa. Dry steam carries little extra moisture, which is why work around engine electrics is normally specified in that mode; wet steam adds water and heat to loosen compacted, baked-on grime before you wipe it off. The accessory question is narrower than it looks: ask which attachments are rated for each mode, where the mode is changed — at the machine, at the gun, or by swapping parts — and how long a changeover takes an operator mid-job.
4. Does the interior work come with vacuum tools?
The product page pairs the machine with a vacuum cleaner for interior vacuuming and disinfection. Ask exactly what that includes: hose length, the tool set, filter type, and whether spare filters are stocked as consumables. If interior work is a real part of your week, the vacuum kit belongs on the same purchase order as the steam accessories, with the same part numbers, so nothing arrives three weeks late.
5. How do the hoses connect, and what fails first?
Couplings, seals and nozzle tips are consumables on any steam machine. Ask for the coupling thread sizes and whether quick couplings are offered, so a second hose or a replacement lance fits without adapters. Then ask for a written consumables list with part numbers — seal kits, nozzle inserts, gun swivel joints — and order a set of each with the machine. A breakdown becomes a phone call with a part number instead of a search through photos of a leaking fitting.
6. How will water in and water out reach the fixed point?
The HW02 takes a tap-water inlet and carries an 80 L SUS304 tank with water-shortage protection. Machine protection does not move your plumbing. Confirm the inlet hose length and the fittings it needs, the route the drain water will take, and how the tank is refilled between vehicles without dragging a live hose across a wet bay. For an unheated or outdoor position, ask the supplier how the machine should be drained and protected in freezing weather before winter arrives.
7. Where do the accessories live between jobs?
A steam hose comes off the machine hot and stays hot for a while. A coil of it on a wet floor is a trip hazard and a burn hazard. Plan wall hangers or a reel within arm's reach of the fixed point, a shaded or weather-protected spot if the position is outdoors, and a labelled place for every tool so a missing nozzle is noticed the same day instead of the next morning.
8. What protective gear and training come with 160°C steam?
The HW02 data sheet lists leakage, short-circuit, high-temperature, high-voltage and water-shortage protection. Those features protect the machine; they do not protect the person holding the nozzle. Specify heat-resistant gloves, a face shield and an apron as part of the order, and put a short training session — gun discipline, mode change, safe shutdown, what to do when the tank runs low — into the commissioning plan rather than leaving it to whoever started first.
9. What does the supplier actually ship?
Product pages describe what a machine can do; they rarely publish the accessory details that decide whether it can do it at your site. Ask for a packing list that separates standard items from options, with quantities and part numbers, and get written confirmation of every dimension and fitting you relied on — hose lengths, thread sizes, extension limits — before payment. An accessory "included" in a photo is not included until it appears on that list.
Turn the answers into one accessory request sheet
All nine questions fit on one page. Fill one row per task, send it with your site notes on power, water inlet and drainage, and ask the supplier to return the same sheet with their proposed items filled in:
| Task | Surface | Distance from fixed point | Mode | Attachment | Spares |
|---|---|---|---|---|---|
| Vehicle exterior | Painted panels, roof line | Measured, m | Wet steam | Fan tip + extension | Nozzle insert, seals |
| Engine compartment | Engine bay, crevices | Measured, m | Dry steam | Narrow lance | Gun swivel joint |
| Interior | Seats, trim, floors | Measured, m | Vacuum / low moisture | Vacuum tool set | Filters |
Test the kit on your own work before ordering more
Once the first kit arrives, run it from the real fixed point on your own vehicles for a week. Time each task, note which tool stayed in the box and which distance felt tight, and write the findings back onto the sheet. That record — not the brochure — is what a second set of accessories or a second machine should be ordered against.
If your tasks go beyond the vehicle-cleaning uses listed on the product page, describe them to the PowerDe team before ordering accessories, so the reach, mode and tool questions are answered for your site rather than a typical one: contact PowerDe. More fixed and mobile models are listed under commercial steam cleaning equipment.
