Supply of Set Of Spares For Roof Mounted Air Condition System As Per Rdso Spec. No.Rdso/2007/El/Spec/0055 Rev.2. Set Consists Of 02 Items. Set Details As Follows. 1 Electronic Thermostat.-01 No./Set. 2 Thermal Expansion Valve R407c.-01 No./Set. Warranty Period: 30 Months After The Date Of Delivery