If an external bottled water dispenser is installed in-line to your refrigerator, such a device can cause water-line restriction to the extent that it causes the Davey Pump System unit to over-cycle. In this condition, the Torrium control attempts to overcome the short run times by dropping temporarily the cut-in pressure to 50% of the last shut-off head (instead of 80%) Torrium will return to 80% cut-in pressure after 100 cycles or if a manual reset is initiated. In this situation, reduce excessive cycling of the Davey unit by installing an external accumulator tank within 24" inches of the pumps discharge port, after the flexible connector.. King Pumps Pro-Source 2 Gallon Pre-charged Metal Tank # PS2-SO1 . (Equivalent in drawdown to a 6 gallon galvanized atmospheric tank).