Trailer Mounted Sewer Jetter Buying Guide — What Every Plumber Needs to Know in 2026

Trailer Jetter Equipment

Updated March 2026 | By HotJet USA

Buying a trailer mounted sewer jetter is one of the biggest investments you’ll make for your plumbing business. Get it right and you’ll add thousands in monthly revenue. Get it wrong and you’re stuck with a machine that doesn’t fit your jobs, costs too much to service, and collects dust in your yard. Here’s what you need to know before you write that check.

Why a Trailer Mounted Jetter?

If you’re still snaking drains and wondering why your revenue has plateaued, it’s time to look at jetting. A trailer jetter gives you the power to clean lines that a cable machine can’t touch — grease, bio-film, roots, and scale buildup in 2″ to 12″ pipes.

The trailer-mounted setup is the sweet spot for most plumbing and rooter businesses. You get serious GPM and PSI without needing a dedicated truck. Hook up, drive to the job, and you’re cleaning lines in minutes. When the job’s done, unhitch and your truck is free for the next call.

Size Your Jetter to Your Work

This is where we see guys make the biggest mistake. Don’t buy a monster jetter to clean residential drain lines! And don’t buy a small portable unit thinking it’ll handle municipal storm drains.

Here’s a quick guide to matching your jetter to your application:

  • Residential drain lines (2″–6″) — 8-10 GPM @ 4,000 PSI handles 90% of residential and commercial work. The HotJet II series at 10GPM/4,000 PSI is built for exactly this.
  • Commercial & light municipal (6″–10″) — You’ll want 12-18 GPM to move the volume of debris in larger pipes. Look at the XtremeFlow III at 18GPM/4,000 PSI.
  • Heavy municipal & industrial (10″+) — High-capacity units like the Big Daddy series are built for this kind of volume work.

We’ve heard the disaster stories — techs who flooded a customer’s basement because they brought a 20GPM monster to a 3-inch residential line. Right-size your equipment.

Hot Water vs Cold Water — Know the Difference

Cold water jetters do a great job on roots, sediment, and mineral scale. But if you’re working on restaurant grease lines, food processing plants, or any pipe with F.O.G. (fats, oils, grease) — cold water just pushes grease down the line. It doesn’t dissolve it.

Hot water changes everything. Water at 140°F+ melts grease on contact and flushes it completely. That means cleaner pipes, longer-lasting results, and customers who call you back for maintenance instead of emergencies. Read our full breakdown: Cold Water vs Hot Water Drain Line Cleaning.

Don’t Get Locked Into Proprietary Parts

Here’s something most jetter salesmen won’t tell you: many brands use proprietary parts. That means when your pump needs a rebuild or your engine needs service, you’re forced to go back to the dealer — at their prices, on their timeline.

When you buy from HotJet USA, every component on the trailer — motor, pump, burner, reel — is non-proprietary. That means you can get parts and service from suppliers all over the country. This saves you a ton of money in the long run.

Check the Warranty and Service Locations

Before you buy, ask two questions:

  1. Can I see the written warranty? — If they won’t put it in writing, walk away.
  2. Where are the service centers? — If the answer is “ship it back to us,” that’s downtime you can’t afford.

With HotJet USA, you deal directly with the factory — not a franchise, not a dealer network marking up prices. We build it, we know how to fix it, and our training classes teach you how to service your own machine. For more on what to look for, check out 7 Things to Know Before Buying a Jetter.

Frequently Asked Questions

How much does a trailer mounted sewer jetter cost?

Pricing ranges from around $39,995 for a cold water unit like the XtremeFlow II up to $79,995 for high-capacity models like the Big Daddy or HotJet III. The most popular model — the HotJet II — starts at $52,995 fully loaded. Financing is available.

Do I need hot water or cold water?

If you’re cleaning grease lines, food service drains, or any pipe with F.O.G. buildup, hot water is the way to go. For roots, sediment, and general blockages, cold water works fine. Many operators start with cold and upgrade later — but if grease is part of your market, go hot from the start.

Can one person operate a trailer jetter?

Yes. HotJet USA trailer jetters are engineered for one-person operation. Wireless remote controls, easy-access service panels, and intuitive layouts mean you don’t need a helper on every job.

Ready to Take the Next Step?

Call HotJet USA today at 1-800-624-8186 to talk with a jetter expert. We’ll help you pick the right machine for your jobs, your budget, and your growth plan. No franchise fees, no dealer markups — just factory-direct pricing and real support. Visit hotjetusa.com to explore our full lineup.

HotJet USA is the manufacturer of trailer mounted sewer and drain line jetters. For over 25 years, we’ve specialized in hot and cold water hydro jetting equipment — trailer mounted, skid mounted, and truck mounted. We also offer comprehensive jetter training classes. Call today for expert advice!