Simplex 4004 system test 23

[@aidanthetoiletelevatorfire7554]

Aye, your back! Awesome test!

[@TheFireAlarmChannel1]

I would like to see a walktest video of the 4004

[@SodiumInduction-hv]

cool, my friend has a 4004

[@vintagesimplexfirealarmsof6440]

Sounds like a safetech or simplex tech vid

[@TheSimplex4903]

Simplex 4004

[@Organham4903]

👵🥗