Drain line repair service call. Rodded kitchen sink 2” line out to septic tank. Filled sink several times and hear water pouring into septic heavily. Cannot see I let to septic as it is too far back in tank. If main line was to be lined or descaled it would need to have a clean out installed on the line. Televised ducts to verify no additional water is entering ducts at this time. We will schedule to touch up ducts in areas where sink water had made its way in