• Three models to choose from.

Alarm Features 
• Provides leak detection alarming.  
• Trips immediately with the presence of pooled oil.  
• Velcro mounted for easy installation.  
• Pulsating 85 db alarm. (every 10 seconds)  
• Low battery warning alarm.  
• Easy self check design.  
• Reliable spring loaded float design.  
• Standard connections provided for security systems allowing for 24 hour external monitoring
  of your entire oil system. (Model MK-001 & MK-004)  
• US Patent #6,414,598  CSA approved for Can/CSA. C22.2 No. 205 ANSI/UL Std no. 464  
• Five year warranty on trays and alarms.  
• Recommended protection by Insurers.

Model MK-003: A 9-Volt Battery Powered Alarm, typical battery life, 2.5 years. This model is the best choice if you need an alarm, and do not plan to connect the alarm to a security system. To install this alarm please see MK-003 installation instructions. 

Model MK-004: This model is shown in the picture. If your home is equipped with a standard security system, this alarm is ideal for your home. It simply connects to your security system and provides continuous protection. If you are away your oil storage will be monitored for you, if you're connected to a monitoring agency. see MK-004 installation instructions:

Model MK-001: This alarm has both 9 Volt battery and security connections. It is intended for those homes which have a wireless security system, or for those homes which will add a security system at a later date. This is the original Oil Yeller alarm. Battery life for this model is one year. see MK-001 installation instructions

Note: all alarms come complete with mounting hardware, including float, hangers, mounting bracket, screws and 9 volt battery. The alarms can be mounted on any Oil Yeller tray.

Click here to view a video by CBC where they demonstrate the Oil Yeller.