• ? 1. What is the shelf life of FE-236?
    ANSWER

    FE-236 is valid for five years, the agent inside has an indefinite shelf life when stored properly.



  • ? 2. Where is the right position of pressure gauge pointer is in proper?
    ANSWER

    Needle indicator on pressure gauge should be in the red area, pointing straight up. 



  • ? 3.How to install Riaval-700 Independent Photoelectric Smoke Detector?
    ANSWER

    Please follow up the instruction manual included. 



  • ? 4.What is the validity period of Riaval 700?
    ANSWER

    Riaval 700 has a validity period for one year, when the operation in proper.



  • ? 5.How to test Riaval 700 working properly?
    ANSWER

               Press the test key to active the alarm signal for 10 seconds monthly, if none, please check the battery
    or replacement.