SET Standpipe Pressure Signal Category : Other I got this in a lot with a lot of antique coded pulls and just decided to hold onto it. Brand OtherModel UnknownManufacturer SETType Switch
Honeywell S465B Category : HoneywellThis is essentially a slightly modified-looking version of the Honyewell S464A with a two-stage option.
Gaylord NC-1357A Category : GaylordThis is a rebranded EST/Edwards 270-SPO for use in some sort of ventilator system.
