5 Best Plumbing Smoke Test Machine [Updated!]

Detecting elusive plumbing leaks and sewer odors proves crucial for property maintenance; consequently, a specialized plumbing smoke test machine offers an effective, non-invasive solution. These machines inject non-toxic, visible vapor into drain, waste, and vent (DWV) systems, quickly revealing defects. This guide explores 5 top plumbing smoke test machines, helping you choose for smoke output, portability, and ease of use. Ultimately, a good smoke tester ensures comprehensive leak detection.

5 Best Plumbing Smoke Test Machine

1. Superior Signal 5E Electric Smoke Blower

  • Features a powerful electric motor, consequently ensuring consistent and high-volume smoke output for thorough testing.
  • Designed for professional use, actively facilitating the detection of leaks in drain, waste, and vent (DWV) systems.
  • Operates with Superior Smoke Fluid (LiquiSmoke), consequently producing a dense, non-toxic, and non-staining white vapor.
  • Includes a heavy-duty hose (4-inch diameter) for effective smoke injection into plumbing systems.
  • Boasts a lightweight, vibration-damping design, consequently enhancing mobility and stability during operation.
  • Suitable for both residential and commercial plumbing inspections, accommodating various project sizes.
  • Provides a reliable and efficient method for pinpointing sources of sewer odor or hidden leaks.
  • Built for durability and corrosion resistance, consequently ensuring long-term performance in demanding environments.
  • Easy to operate, typically requiring a single person for effective testing.
  • Represents a trusted industry standard for plumbing smoke testing, known for its consistent results.

2. Hurco Technologies Power Smoker 2

  • Features a robust gasoline-powered engine (e.g., Honda or Briggs & Stratton), consequently providing exceptional power and portability for large systems.
  • Delivers up to 700 CFM of airflow, actively producing a high volume of dense smoke for extensive leak detection in sewer mains and plumbing.
  • Utilizes Hurco LiquiSmoke, consequently ensuring a safe, non-toxic, and residue-free smoke.
  • Incorporates a patented SuperJet smoke generating muffler, consequently maximizing smoke burn and density for clear leak visibility.
  • Designed for durability with a precision-balanced cast aluminum impeller, built to withstand years of heavy use.
  • Includes a flexible duct hose for convenient smoke injection into various pipe openings.
  • Provides a cost-effective solution with low operating costs (cents per minute) for smoke fluid consumption.
  • Ideal for professional plumbers needing powerful performance for residential and municipal sewer line testing.
  • Boasts a reliable start-up and consistent operation even in challenging conditions.
  • Represents a high-performance choice for rapid and economical detection of plumbing defects.

3. Cherne Industries Smoke Testing Blower

  • Features a powerful motor, consequently capable of generating significant airflow (up to 3,769 CFM on larger models) for comprehensive smoke testing.
  • Designed for use with Cherne Smoke Testing Fluid or Candles, consequently producing thick, dense smoke for easy leak identification.
  • Includes a heavy-duty flexible hose (e.g., 5 ft., 4 in. diameter) for effective smoke delivery into plumbing systems.
  • Boasts a lightweight and vibration-damping design, consequently enhancing ease of mobility and stability during operation.
  • Built for durability and corrosion resistance, ensuring long-term reliability in harsh plumbing environments.
  • Provides a complete line of smoke testing products, offering blowers, liquids, and candles for versatile needs.
  • Suitable for identifying storm water inflow points in sewer systems and pinpointing drain leaks.
  • Emphasizes easy and accurate leak detection, consequently helping technicians quickly diagnose issues.
  • Known for its global leadership in pipe plugs and testing equipment, ensuring trusted quality.
  • Represents a comprehensive and reliable solution for professional plumbing and sewer smoke testing applications.

4. Turbo-Fog M-45 Plumbing Kit (with M-45 Thermal Smoke Generator)

  • This is an accessory kit for the M-45 Thermal Smoke Generator (sold separately), consequently adapting it for plumbing leak detection.
  • The M-45 generator uses thermal smoke technology, actively producing dense smoke for effective line tracing and leak detection.
  • Includes heavy-duty clear flexible steel reinforced duct hose (e.g., 5-foot length) for durability and visibility.
  • Features an 8-inch x 4-inch steel reducer and adjustable hose clamps, consequently providing versatile pipe connection options.
  • Designed to detect leaks, illicit connections, and odors in sewer, plumbing, and pipeline systems.
  • Offers a highly efficient method for identifying hidden defects and sources of inflow/infiltration.
  • Provides reliable performance for professional plumbers and environmental technicians.
  • The M-45 generator is portable and robust, suitable for various field conditions.
  • Assists in proactive maintenance, consequently allowing issues to be addressed before major problems arise.
  • Represents a specialized and effective solution for precise sewer and plumbing smoke testing.

5. Petersen Products Smoke Blower Kit (Briggs & Stratton Engine)

  • Features a powerful Briggs & Stratton gasoline engine, consequently providing robust air movement for effective smoke generation in large systems.
  • Designed as a complete smoke blower kit, actively facilitating comprehensive leak detection in plumbing and sewer lines.
  • Works with Petersen’s LiquiSmoke, consequently ensuring a safe, non-toxic, and residue-free smoke output.
  • Provides high CFM output, ensuring rapid filling of lines and quick revelation of problem areas.
  • Built with a durable construction, featuring a precision-balanced cast aluminum impeller for years of hard use.
  • Includes a rubber seal to reduce vibration, consequently minimizing noise and wear on the machine.
  • Offers cost-effective operation, using smoke fluid efficiently for cents per minute.
  • Ideal for professional use, capable of handling demanding sewer inspection tasks.
  • Provides a reliable and dependable engine, ensuring consistent performance in the field.
  • Represents a heavy-duty and efficient choice for comprehensive plumbing and pipeline smoke testing.

Buying Guide

Selecting the ideal plumbing smoke test machine genuinely requires thoughtful consideration of several crucial factors, consequently ensuring your chosen equipment provides optimal smoke output, portability, and reliable leak detection for plumbing systems.

Smoke Output (CFM)

The smoke output, measured in CFM (Cubic Feet per Minute), is critical. Higher CFM indicates the machine’s ability to produce a larger volume of smoke, quickly filling extensive drain, waste, and vent (DWV) systems. For residential plumbing, lower CFM might suffice, but for larger commercial or municipal sewer lines, a high CFM blower is essential for effective leak identification, subsequently ensuring comprehensive system coverage.

Smoke Type (Fluid vs. Candle)

Plumbing smoke test machines use either liquid smoke fluid (heated to produce vapor) or smoke candles/pellets. Liquid smoke machines generally offer more controlled, consistent, and residue-free smoke. Candles/pellets are simpler but produce a fixed amount of smoke and can leave residue. Prioritize liquid smoke machines for professional, repeated use for greater control and cleanliness, subsequently providing more efficient operation.

Power Source (Electric vs. Gasoline)

Electric smoke blowers are quieter, suitable for indoor use, and require an electrical outlet. They are typically lighter and more portable. Gasoline-powered blowers, conversely, offer superior power and complete portability, ideal for large outdoor sewer main testing where electricity might not be readily available. Choose the power source that best matches your typical work environment and power access, subsequently ensuring operational convenience.

Portability and Durability

Consider the machine’s size, weight, and overall portability. Lighter, more compact electric units are easier to transport into homes. Larger gasoline units often have wheels. The machine should also be durable enough to withstand rough handling in various work environments. Look for robust construction, corrosion resistance, and protective housing, subsequently guaranteeing long-term reliability and performance in the field.

Hose and Adapter Compatibility

Ensure the smoke test machine comes with a flexible, adequately sized hose (e.g., 4-inch diameter) for easy connection to various plumbing cleanouts or vent stacks. Some machines include adapters for different pipe sizes. Proper hose length and compatibility with common plumbing connections are crucial for efficient smoke injection, subsequently simplifying setup and improving testing efficiency on diverse systems.

Safety Features

While plumbing smoke is non-toxic, safety remains paramount. Look for machines that use laboratory-tested, non-staining, and non-irritating smoke fluid. Ensure the machine has features like protective shrouds for moving parts (on engine-driven models) and stable bases. Proper safety features protect both the operator and the property being tested, subsequently ensuring peace of mind during diagnostics.

Ease of Use

A user-friendly design simplifies the leak detection process. Look for machines with straightforward controls, easy fluid loading (for liquid smoke), and quick setup. Features like a quick-connect hose and a stable base enhance operational efficiency. An intuitive machine reduces setup time and allows plumbers to focus more on identifying leaks, subsequently streamlining the overall testing process.


Tips

Before Testing

  • Ensure all plumbing traps are filled with water before starting a smoke test, consequently preventing smoke from entering the building through dry traps.
  • Inform building occupants or neighbors about the upcoming smoke test, consequently preventing alarm or confusion when smoke emerges.
  • Confirm the smoke fluid used is non-toxic, non-staining, and laboratory-tested safe for plumbing systems and indoor environments.

During Testing

  • Connect the smoke machine to a cleanout or vent stack, consequently ensuring smoke is introduced directly into the DWV system.
  • Apply sufficient air pressure to fill the system with smoke, but avoid excessive pressure that could damage traps or weak seals.
  • Observe all drain openings, cleanouts, roof vents, and even suspicious ground areas for escaping smoke, consequently pinpointing leak locations.

After Testing

  • Properly ventilate the area where smoke emerged, consequently allowing any residual smoke to dissipate quickly.
  • Document all leak locations identified with photos or notes, consequently providing clear evidence for repair planning.
  • Clean the smoke machine according to manufacturer instructions after each use, consequently maintaining its performance and longevity.

Safety Precautions

  • Always work in a well-ventilated area, especially if smoke enters occupied spaces, consequently ensuring adequate air circulation.
  • Wear appropriate personal protective equipment (PPE), such as gloves and eye protection, subsequently safeguarding against any potential irritants.
  • Never use a plumbing smoke test machine in areas with flammable materials or gases.

Comparison Table

Product NamePower SourceSmoke Output (CFM)Pump TypePortabilityKey Feature
1. Superior Signal 5E ElectricElectricHigh (Consistent)BlowerHighProfessional Standard
2. Hurco Technologies Power Smoker 2GasolineUp to 700SuperJet MufflerModerateHigh Volume; Cost-Effective
3. Cherne Industries Smoke Testing BlowerElectricUp to 3,769BlowerHighComprehensive Line
4. Turbo-Fog M-45 Plumbing KitThermal (Accessory)DenseThermal GeneratorHighAdapts M-45 Generator
5. Petersen Products Smoke Blower KitGasolineHigh (Robust)Briggs & Stratton EngineModerateHeavy-Duty; Dependable

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FAQ

Q: What is a plumbing smoke test machine used for?

A: It is used to detect leaks, cracks, or missing connections in a plumbing system. It injects non-toxic smoke into drains and vents, making hidden issues visible.

Q: Is the smoke used in plumbing tests safe?

A: Yes, the “smoke” is actually a non-toxic, non-staining vapor, similar to fog machine fluid. It is typically laboratory-tested to be safe for people and pets.

Q: How does a plumbing smoke test find leaks?

A: The machine injects smoke into the plumbing system. If there are any defects, cracks, or open connections, the smoke will visibly escape from those problem areas, pinpointing the leak.

Q: Can a smoke test find sewer gas odors?

A: Yes, smoke tests are highly effective at finding the source of sewer gas odors. Smoke will escape from defective traps, cracked pipes, or improper venting, revealing the odor’s origin.

Q: What’s the difference between electric and gasoline-powered machines?

A: Electric machines are quieter and lighter for indoor use. Gasoline machines offer more power and portability for large outdoor systems where electricity might not be available.

Q: Do I need special smoke fluid for these machines?

A: Yes, these machines use specialized, non-toxic liquid smoke fluid (e.g., LiquiSmoke) or specific smoke candles. Do not use automotive smoke fluids or other untested substances.

Q: Can a smoke test machine find leaks in water supply lines?

A: No, plumbing smoke test machines are designed for drain, waste, and vent (DWV) systems, which carry wastewater and air. They are not used for detecting leaks in pressurized water supply lines.

Q: How much smoke output (CFM) do I need?

A: For typical residential plumbing, a lower CFM may suffice. For larger homes or commercial/municipal sewer lines, higher CFM (e.g., 500+ CFM) ensures the system fills quickly and completely.

Q: Is smoke testing a DIY job?

A: Smoke testing requires specific equipment and knowledge of plumbing systems. It is generally recommended for licensed plumbers or professionals to ensure accurate diagnosis and safe operation.

Q: What should I do if smoke comes out of my house during a test?

A: If smoke enters your home, it indicates a defect in your plumbing system. Do not panic, as the smoke is non-toxic. Identify where the smoke is coming from, and then consult a qualified plumber for repair.


Conclusion

Choosing the 5 best plumbing smoke test machine genuinely provides powerful tools for comprehensive leak detection. These devices inject crucial vapor to pinpoint hidden defects and sewer odors effectively. By prioritizing smoke output, portability, and reliable performance, you select an ideal machine. Ultimately, a good smoke tester ensures safer, healthier plumbing systems for homes and businesses.

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