Tender For supply of solid state temperature controller (electronicthermostat) suitable for following setting:- (1)for winter, cut in 19 deg c, cut off 21 deg c.(2)for summer: cut in 25 deg c, cut off 23 deg c as pe r rdso specification no. rdso/pe/spec/ac/ 0020-2000 (rev-o)with amendt. no.1, 2 & 3. spec [ warr anty period: 30 months after the date of delivery ]