It’s a common scenario — you have used your cable machine to restore flow to your customer’s sink, but the grease that they have been pouring down the drain means it won’t be long until it clogs again.


The best remedy would be to jet the line. But you don’t own a jetter, so you have to refer the customer to your competitor. You realize it is time to invest in a jetter so you can conquer those jobs yourself, and not lose money to the shop on the other side of town.


When someone decides to invest in a jetter, there are several questions that need to be answered. The first one is ‘What type of jobs do I encounter most often?’ The answer to that question will start you down the path of choosing which jetter is right for your project.


There are four main categories of jetters. There are small jets which can be carried, sometimes called toolbox or suitcase jetters, used for drain cleaning. There are cart jetters that can be wheeled in and out of buildings, also used for drain cleaning. Then there are trailer and skid mount jetters, which require a vehicle to hold or tow them. These are generally used for drain and main line cleaning, but can also be used for lighter pressure washing projects. Finally, there are waterblasting jetters, used for hydrocleaning and hydrodemolition.


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Jets for Drain Cleaning


Determining which category of jet is right for a project requires looking at the diameter of the pipe and the type of obstruction.


Small Jetters


These small jets are lightweight and compact, making them easily portable to take in and out of a customer’s home. Operating at around 1,500 PSI and usually running on electricity, these jetters work well in sink and tub drains to clean the entire circumference of the line and make quick work of common clogs such as grease and soft clogs. With these jetters you will need to have an independent water source such as a faucet or hose bibb.


small jetter


Cart Jetters


Cart jetters are for those in-between jobs — you need more power than a small jetter but don’t need to call in the big dogs of a trailer or skid mount jetter. These jets operate in the 1,500 to 4,000 PSI range and are on wheeled carts, giving them the ability to be rolled indoors to get close to the cleanout line. Like the small jetters, these require an independent water source. Many of these jetters are available in electric or gas-powered models, which is an important consideration when emissions are an issue, such as in a home or urban area with emission restrictions.


Trailer- and Skid-Mount Jetters


Trailer and skid mount jetters give you the most bang for your buck. They generally operate in the 2,000 to 5,000 PSI range. With the appropriate hose and nozzle, these can be scaled down to safely do smaller jobs. These jetters can also do larger jobs such as home cleanouts and main lines, and municipal jobs that may require 550 ft of pipe to be cleaned. Some jetters are available in both trailer and skid mount models, whereas some are either one or the other. Trailer jets are great if you don’t need to always have your jetter with you, or if one jet is shared between trucks in a fleet. The drawback is when you are working in areas where it is difficult to maneuver a truck and trailer, such as urban areas. For businesses who operate in these areas, a skid mount jetter would be the preferable option. These can be mounted inside a work van, while still leaving room for other tools.


trailer jetter


Jets for Waterblasting


Waterblasting jets are used for hydrocleaning and hydrodemolition. These operate at much higher pressure than jets for drain cleaning. Jets for hydrocleaning are basically super powered pressure washers used for cleaning surfaces. These jets start at about 15,000 PSI and are used to remove rust, old paint and other types of heavy buildup. Which jet you choose for hydrocleaning will depend on the type of surface you are cleaning and what you are removing.


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Jets for hydrodemolition use high pressure, concentrated water streams to cut through solid matter such as asphalt and concrete. Using jetters with a PSI of approximately 20,000, this is a less labor-intensive method than jackhammers and/or saws. There are multiple vendors offering these systems, and the WJTA show is a great place to compare features and prices.


skid mount jet


Nozzles


No jet is complete without the appropriate nozzle. Nozzles perform the tough work of dislodging the blockage and breaking through clogs in the drainpipe, washing away the debris as it goes. Without the appropriate nozzle, it almost doesn’t matter which jet you use – you won’t be as effective and efficient as you could be. There is almost no end to the variety of nozzles available, and it is imperative that you use the correct nozzle for the job. As an example, if your line is full of sand, an open nozzle that only shoots water forward will not be as effective as a nozzle made for sand, such as a sandshoe nozzle. These nozzles are designed to lay flat at the bottom of the pipe, where the sand and grit will have settled.


There are some other important considerations when deciding on the right jetter for a job. Some homeowner’s associations have noise restrictions during evening hours. If you are called out for an emergency where sewage has backed up into a home at 11 p.m., you don’t want to add to the homeowner’s worry by adding a noise fine on top of their already ‘crappy’ situation. As mentioned previously, emissions from a jetter can be a concern in some cities, factories or homes. With an electric jetter there is no concern about emissions, but the trade-off is the risk of tripping a fuse, particularly in older and historic buildings.


Adding a jetter to your lineup can be a significant boost to the services your company provides. Yet it is imperative to know your business and ensure you get the jetter that will work best for the type of jobs you will most commonly face.


Jennifer S. Shoemaker is marketing manager at Spartan Tool.