supply of procurement of pressure switch, , pressure switch range 1 to 10 kg/sq.cm, differential pressure 0.3 to 1.3 kg/sq.cm.max. pressure 25 kg/sq.cm, with external terminal connection provision along with 3/8 bsp coupling nut, packing washer and nipple suitable for brazing copper pipe of 10mm.od and 6mm.id, switch 1 spdt (1 no and 1nc contacts), 10 amps, 125v ac or dc rt 116 sbx of indfoss make or exactly suitable danfoss make ; offer from dlw approved vendors or their authorises dealers with valid dealership certificate only will be accepted.(blw pl no.11459803) [ war ranty period: 30 months after the date of delivery ] ]