Armstrong International 880-3/4-150 Steam Trap 322838-753 this unit provides dual 4-20mA
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Description
Armstrong International 880 3 4 150 Steam Trap 322838 753 this unit provides dual 4 20mA this unit provides dual 4 20mA output signals for both humidity and temperature the D 3153 3 is UL recognized for use on classified smoke and combination fire smoke dampers