supply of supply of flasher light for automatic smoke and heat detection with alarm system as per sanrok part no. 2ed-255-1972. accepted make ; sanroksupply of flasher light for automatic smoke and heat detection with alarm system as per sanrok part no. 2ed-255-1972. accepted make ; sanrok,green led for break indication make:sanrok [ warranty period: 30 months after the date of delivery ] ] , dc-dc convertor 110v -27.5v, sanrok part no- 2ed-245-1905. [ warranty period: 30 mo nths after the date of delivery ] ] , supply of display card for vesda brake valve make- sanrok for fire system in ac, pantry and power car coaches [ warranty period: 30 months after the date of delivery ] ] , heat detector suitable as per part no.2ed-245-3544 make:sanrok [ warranty period: 30 m onths after the date of delivery ] ] , supply of flasher light for automatic smoke and heat detection with alarm system as per san rok part no. 2ed-255-1972. accepted make ; sanrok [ warranty period: 30 months after the date of de livery ] ]