Stench Systems®
Not just a sideline, 30 years in the making with ongoing developments…
This patented protected Safety System®, is designed to be a First Line in Defense of underground personnel. It is the most reliable and widely used Mine Warning Device on the market today. Zacon Limited exports Stench Systems® to the World. The system relies on your sense of smell and the Ventilation or Compressed Air System to deliver the message to underground personnel.

Type 1 Manual Stench System®
How it Works
Designed to be a quick, simple, and inexpensive temporary solution for initial set-up of mine operations. Should not be used as a long term mine Warning Device. Adjustable to meet your requirements and use’s the same cylinders as our Automated System®. Therefore, upgrading to an Automated System® is straightforward.
Features of Type 1 Manual Stench System
Based on Zacon 30 years of research design.
- Each system – Custom and Unique – To customer’s specification.
- Minimal moving parts
- Reliable – Zero (0) Return Rate
- Quality Parts
- All units pre-tested for pressure
Manual Standard Type 1 Includes
- Steel Nema Rated 4 Enclosures. Electrical Panel Enclosure configured inside Large Panel Enclosure.
- S.S. & Aluminum injection Parts (Including self-cleaning Valves) 2000 wag system
- S.S. Gauge (Pressure)
- Single Cylinder Bracket
- Ready for Installation easy install
Optional Equipment & Services
- Heater & Insulation Package for Below Zero Deg Celsius Applications.
- Fiberglass panels available
- S.S. panels available (304 and 316 Stainless) Nema 4x rated

Type 3 Automatic Stench System® – Patent Protected
How it Works
Our patented protected Automated System® dispenses the stench at a metered rate (specific to your needs) simultaneously to a multitude of sites (even km’s apart). This allows maximum mine penetration, correct worker exposure rates and an instantaneous response to an adverse situation in the mine. The most reliable cost effective widely use Mine Warning Device on the planet. 30 Years of Development. The Type 3 system continually feed back information as to its readiness.
Features of Type 3 Automated Stench System
Designed with Safety in Mind
- Each system – Custom and Unique – To customer’s specification.
- Metered Injection Rate means proper exposure to the work force
- Continual system feedback
- Minimal moving parts
- Manual Back Up Override System
- Digital Timer Control (Lockable) System
- Multiple Remote Activation hardwire, PLC Rapid, Fiber Optic, Leaky Feeder, Ethernet
- Reliable – Zero (0) Return Rate
- Top Quality Parts use
- Multiple Cylinder Panel’s available
- Adjustable to Local Environmental Restrictions
- All units pre-tested for pressure and Time
- Future airflow requirement can be considered at time of manufacturing – System can grow as your mine grows
Standard System Includes
- Steel Nema Rated Enclosures. Electrical Panel Enclosure configured inside Large Panel Enclosure.
- Digital Timer (Lockable) 10 year memory back-up
- S.S. & Aluminum injection Parts (Including Valves)
- Manual Back-Up System
- S.S. Gauge (Pressure)
- Single Cylinder Bracket
- Ready for Installation
- S.S. Continuous Feed Back Transmitter
- Electrical Dwg’s & Installation Manuals
Optional Equipment & Services
- Multiple Cylinder Application Enclosures
- Heater & Insulation Package for Below Zero Deg Celsius Applications.
- Status Indication – Push to Test Lighted Buttons Station
- Fiberglass panels available
- S.S. panels available
- ESA Approval (Ontario Code)
- Support Services and, System Set up Calculation Assistance