supply of spares for fds/fdss systemspares for fds/fdss system,inline filter for fire and smoke detector system part no. 2ed-254-1931 [ warranty period: 36 months after the date of delivery ] ] , dc-dc power converter (110v to 27.4v) sanrok part no. 2ed-255-2000. [ warranty period: 36 months after the date of delivery ] ] , isolating cock (1bsp) firms offer make/brand:-sanrok [ warranty period: 36 months after the date of delivery ] ] , public announcement module(pa module) to sanrok part no. 2ed-255-1998 for automatic smoke/fire detection with alarm system as per rds o specification no. rdso/2008/cg-04. [ warranty period: 36 months after the date of delivery ] ] , brake module to sanrok part no. 2ed-254-4387 for automatic smoke/fire detection with alarm system. [ warranty period: 36 months afte r the date of delivery ] ] , smoke detector as per sanrok part no. 2ed-245-3543 suitable for main control module. [ warranty period: 36 months after th e date of delivery ] ] , heat detector sanrok part no. 2ed-245-3544 [ warranty period: 36 months after the date of delivery ] ] , electronic voice message sounder (part.no./ drg.no - 2 ed - 254 -1940 ) [ warranty period: 36 months after the date of delivery ] ] , nitrogen module for automatic fire detection and suppression system, make -sanrok [ warranty period: 36 months after the date of de livery ] ] , charging unit to sanrok part no. 2ed-254-3523 for automatic smoke/fire detection with alarm system. [ warranty period: 36 months aft er the date of delivery ] ] , charging unit to sanrok part no. 2ed-245-4985 for automatic fire detection cum suppression system. [ warranty period: 36 months after the date of delivery ] ] , internal filter cartridge of vesda compact laser detector (for vlf) to sanrok make part no: 2ed-255-4988 to automatic smoke/ fire detectio n with alarm system. [ warranty period: 36 months after the date of delivery ] ] , brake valve connector to sanrok part no. 2ed-254-5109 of automatic smoke/fire detectio