Specifications include, but are not limited to: Contractor to provide fully functional controls system replicating original. Use of existing relays, actuators, transducers, current relays, sensors and all other control devices permitted if compatible with Distech/Niagara system specified. Contractor shall be responsible for supplying sensors and all control devices to replicate existing control sequence. Provide, install and program controllers for the following equipment: Three network controllers (NC-2, NC-3, NC-4) Seven Air Handling Units Controls for three steam to water heat exchanger systems. 66 VAV controllers and associated thermostats Control of ten reheat coils, thermostats and install 10 new control valves..