Water Storm MP3027HV
Entry-level pro machine for driveways, decks, and siding.
Built on high-grade aluminum frames with weld-free construction, anti-walk feet, and industrial AR & CAT pumps, Water Storm pressure washers are designed to work as hard as you do in Topeka, Shipshewana, Middlebury, LaGrange, Goshen, Bristol, Wolcottville and beyond.
Whether you’re a contractor cleaning fleets and farm equipment or a homeowner upgrading from a big-box machine, Miller Power LLC has a Water Storm unit that fits your work.
Contractor-grade 4200 PSI · 4 GPM Honda GX390 with AR pump.
Every unit we sell at Miller Power LLC comes loaded with professional-grade features so you’re not upgrading parts right after you buy. These are not throw-away box-store machines — they’re built to stay in the field.
Included with every unit: O-ring kit, soap injector, and owner’s manual. We’re also here to help with setup questions – just call (260) 768-7002.
Pick the Water Storm that fits your work. From lighter-duty homeowner rigs to full contractor machines, everything here is Honda-powered and built to run for years.
Entry-level pro machine for driveways, decks, and siding.
More power for farmyards, shop floors, and regular exterior cleaning.
Contractor workhorse for fleets, concrete, and heavy cleaning.
All-stainless build for harsh, wet, or corrosive environments.
Electric-start convenience with full contractor performance.
For those who specifically want CAT pump performance.
Not sure which way to go? Use this comparison chart, then call us and we’ll walk through your surfaces, frequency of use, and budget.
| Model | Engine | PSI | GPM | Pump Brand | Price | Best For |
|---|---|---|---|---|---|---|
| MP3027HV | Honda GX200 | 2700 | 3.0 | AR (5-Yr) | $1,069 | Serious homeowner · light farm use |
| MP3032HV | Honda GX270 | 3200 | 3.0 | AR (5-Yr) | $1,299 | Farms, small contractors |
| MP4042HV | Honda GX390 | 4200 | 4.0 | AR (5-Yr) | $1,449 | Full-time contractors, surface cleaners |
| SS4040ARH | Honda GX390 | 4000 | 4.0 | AR (5-Yr) | $2,249 | Harsh / corrosive environments |
| MP4042HVE | Honda GX Electric Start | 4200 | 4.0 | AR (5-Yr) | $1,995 | Contractors wanting electric start |
| MP4042HC | Honda GX390 | 4200 | 4.0 | CAT (2-Yr) | $1,695 | CAT pump loyalists |
We ship Water Storm units across the region and set clear expectations up front so there are no surprises when your machine shows up.
Some Western states may require adjusted freight rates. Call us for a quick quote before you order if you’re outside our normal delivery range.
Warranties: AR pumps carry a 5-year warranty, CAT pumps carry a 2-year warranty, Honda engines carry a 3-year warranty, and accessories are backed by a 90-day warranty.
Anyone who has run a chattering, walking pressure washer knows how annoying it is to chase your machine across the driveway. Water Storm tackles that problem with frame geometry, shock-absorbing feet, and a comfortable handle design.
The goal is simple: when the pump is running, you’re focused on the wand, not wrestling the machine behind you.
If you’re not sure what PSI and GPM you really need, you’re not alone. We help homeowners, farmers, and contractors match the right machine to their work every week.
Tell us what you’re cleaning, how often, what your water source looks like, and if you plan to run surface cleaners. We’ll point you to the best fit instead of overselling you.
Ready to talk it through? Call (260) 768-7002 or send us a message.