bell 801

  1. M

    Bell 801 Loud Feedback Noise

    Hi all, Recently moved into a flat that had a very old Urmet intercom handset. We replaced it with a Bell 801 handset and was all fine for a while, buzzer and everything worked. Recently developed an issue where a very loud feedback noise can be heard when the handset is picked up. Can still...
  2. S

    bell 801 wiring help please!

    Hi I am trying to replace a entel 300 door entry telephone with a bell 801 entry telephone I bought from amazon the wiring for the entel 300 is below 10v orange + white 0v white + orange C1 white +blue C2 blue + white On the bell 801 it has markings I R O T Z I have no idea which...
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