Simplex 565-925 4-Wire Duct Sensor PC BoardSimplex 565 925 4 Wire Duct Sensor PC Board is a replacement 4 wire duct board for the 4098 9756 duct housing.

or an existing 4100 (512 pt) or4100+ (1000 pt) panel that was previously upgraded to a 4100U Master Controller and operator interface

Complete assembly with clear lens cover and matching mounting plate

red housing

the total current remains controlled by the Class B input source SLC at 3 A maximum

includes cover

see SSU-PAM-1 (Space Age) or PAM-1 (Air Products)

4905-9961 - Red wire guard with mounting plate

p/n 733-974

4 Zone Card for Simplex 4002

Construction: Weatherproof box with pre-installed perimeter gasket

Self-Test status reporting

Rate-of-rise temperature detection is selectable at the control panel for either 15° F (8