Bench Service Partnership-AS950 Sampler Controller-1 Year ServiceHach s Bench Service Partnership provides full coverage for repairs and annual preventative maintenance-calibration-and certification service at the Hach Service Center As a Partnership customer-your service will be put into priority status with five-day turnaround time For select models-we provide a free loaner instrument when available-so your analysis won t be impacted while your unit is being serviced Upon completion of service-we ll cover the cost of second-day return shipping You ll also have access to unlimited technical support with an exclusive support number that puts you at the front of the call queue