Simplex 4904-9053

I accidentally bought this particular unit not realizing I already had one. Oh well, happens.

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I’m almost certain that this unit has an actual “Grinnell” model number, not just the standard RSG one, but it’s...
STI SS-2000F

STI SS-2000F

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Can’t remember where exactly I put the key for this unit. It can still open with an allen wrench, but...
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