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American Water Works
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Pacoima, CA(818) 252-0706 Conway, SC(843) 399-1055
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Home / What are you cleaning / Kitchen exhaust

Grease baked into hoods and ducts, and a washer that only smears it around

What you see

The filters come out clean, but the plenum and the duct walls keep a tacky layer of grease. Jobs run past the hours the restaurant gave you, and the next service finds it thicker.

Why it happens

Cooked-on grease lets go with heat, and a cold-water washer, or a hot one whose burner can't keep up, only pushes it around. Then there's the runoff. Many cities restrict grease water reaching the storm drain, so ask yours what it requires. A rig with no way to catch the water leaves you a mess behind the building.

What it does to you

A kitchen that fails its next inspection calls someone else. Long jobs eat night hours you priced for a shorter job, and a grease-water spill behind a restaurant has your company's name on it.

The shop asks how many hoods you do in a night and how you get water on the job, the restaurant's hose or your own tank. It asks how you catch the runoff today, what you run now, and what goes wrong with it on a typical job.

What usually fits is a hot-water machine that rides on a trailer or truck. The Hotsy 1200 runs a gas engine with an oil-fired burner, 4.5 to 5.6 GPM at 3000 to 4000 PSI, and is built to adapt to trailer mounting, per the manufacturer's 2016 brochure. The All American Dominator is the compact one, 3.0 to 4.0 GPM, built to fit on a trailer. Some kitchens are better served by steam: the Optima steamer uses a fraction of the water and leaves no wastewater runoff, which matters when there is nowhere for the water to go. A trailer rig like the AWW-HDS5 on the UTS230 carries 230 gallons, so you are not waiting on the restaurant's spigot.

For the grease, Ripper I is the heavy-duty degreaser, and Citrus Clean is a booster you add to it. Ask on the call about vacuum recovery for catching the water.

Hotsy hot-water machine in a red powder-coated frame on a single-axle trailer with a diamond-plate toolbox, beside buckets of Hotsy Breakthrough detergent

What the shop would start with

Hotsy 1200 Series

Maker
Hotsy
PSI
3,000 to 4,000
GPM
4.5 to 5.6
Heat
oil
Power
Briggs Vanguard 16/21 or Honda GX630 gasoline engine
Warranty
Pump 7 years limited; heater coil 5 years (per the 2016 brochure)
Quoted on the call

Optima Steamer

Maker
Optima (Steamericas)
PSI
GPM
Heat
diesel or electric
Power
diesel or electric models
Quoted on the call

All American Dominator Series

Maker
All American
PSI
1,000 to 4,000
GPM
2.0 to 4.0
Heat
oil or LP
Power
Honda gasoline engine, 9 to 13 HP, or 115V/220V 1-phase electric, 2 to 4 HP
Warranty
5-1 year limited: 5 years on pump, Cool Touch Coil and frame; 2 years on gasoline engines; 1 year to 90 days on remaining components
Quoted on the call
AWW-HDS5 on the UTS230 single axle, photographed by Universal Trailer

AWW-HDS5 · UTS230

GPM / PSI
5 GPM @ 3,500 PSI
Engine
18 HP Vanguard gas
Tank
230 gal, Single 3,500 lb drop axle
From $14,488Published price, Oct 23, 2026
Build this rig

From the build gallery

In the gallery: a gray Hotsy tank in a frame beside two hose reels on the back of a black trailer.

The rear of a black trailer with a gray Hotsy tank in a frame and two hose reels

Tell us what's going wrong

Grease baked into hoods and ducts, and a washer that only smears it around

A dead burner, a citation, a bid due Friday. Your words.
How do we reach you? A phone or an email is enough.
A few more questions (optional)
Downtime, labor, a lost bid. A rough idea is fine.
Brand, model, age if you know it.

Here's what happens next: The Pacoima counter calls you within one business hour. The call is 15 minutes. We ask what's going wrong, how you plan to pay, and who else weighs in. At the end we set a next step, or tell you straight that we're not the right shop. Nobody pitches anything until we understand the job.

Rather just talk? Leave a number.
A dead burner, a citation, a bid due Friday. Your words.
How do we reach you? A phone or an email is enough.

Here's what happens next: The Pacoima counter calls you within one business hour. The call is 15 minutes. We ask what's going wrong, how you plan to pay, and who else weighs in. At the end we set a next step, or tell you straight that we're not the right shop. Nobody pitches anything until we understand the job.