Ion Exchange India — Control Lever Leaking

The control lever of the water softener is leaking, since February. The engineers come and do the job in a manner that the leakage stops temporarily. I have paid for comprehensive maintenance contract and I feel that the part should be changed. The engineer was supposed to come today, but now he is communicating that he will come tomorrow. From their working I gather that they have only one qualified engineer for Uttar Pradesh, as some persons sent by the company, say that they are unable to solve the problem.