Part No. F03C83055



EVA-UB4-6 Standard Base is a 6 inch mounting base for Nittan’s UL listed detectors that can be mounted to 3-1/2 inch and 4 inch square electrical boxes. EVA-UB4-6 can be used as a board to cover the holes of electrical boxes.

The base contains no electrical circuit so that the base is used for terminal connections only. The base is supplied with 4 terminals that are used depending on the detector heads. The 12 – 22 AWG field wire can be connected to the terminals. EVA-UB4-6 contains a locking screw to avoid unauthorized removal of detectors.



  • UL Listed base
  • Compatible to Nittan’s UL Listed detectors
  • Available to cover the mounting holes
  • Contains a locking screw for tamper protection
  • 4 terminals to be used depending on detectors
  • Mounts directly to 3-1/2” and 4” octagonal electrical boxes
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