{"product_id":"fleck-drv-assm-3150-3900-upr-sys-5or7","title":"Fleck Drv Assm, 3150, 3900 Upr, Sys 5or7","description":"\u003cp\u003eThe Fleck Drive Assembly for 3150 and 3900 upper, System 5 or 7 (FL60057-01), is a complete drive module for these high-capacity Fleck control valves. The drive assembly combines the motor, gears, and cam mechanism that step the valve through service and its multi-stage regeneration sequence, making it the mechanical heart of the control head. Supplied as a single, integrated unit, it restores the whole drive in one installation rather than piece by piece.\u003c\/p\u003e\u003cp\u003eAt roughly 7 pounds, this is a substantial assembly built for the demanding duty these large valves see in commercial and high-flow applications. It is configured for the upper drive on System 5 or System 7 setups using the 3150 and 3900 platforms, so confirm your configuration before ordering.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eComplete drive assembly for Fleck 3150 and 3900 upper\u003c\/li\u003e\n\u003cli\u003eConfigured for System 5 or System 7 applications\u003c\/li\u003e\n\u003cli\u003eIntegrates motor, gear train, and cam in one module\u003c\/li\u003e\n\u003cli\u003eGenuine Pentair Fleck component, about 7.0 lbs\u003c\/li\u003e\n\u003cli\u003eRestores full mechanical cycle control on high-capacity valves\u003c\/li\u003e\n\u003cli\u003eEfficient alternative to replacing multiple worn drive parts\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen a full drive assembly is needed\u003c\/h3\u003e\u003cp\u003eReplacing the entire drive assembly makes the most sense when multiple drive components have worn together, when the gear train or cam is damaged, or when troubleshooting points to widespread mechanical failure rather than a single part. On large valves that have run for years, the motor, gears, and cam often reach the end of their service lives around the same time, so a complete module both saves labor and ensures everything in the drive is fresh and properly matched.\u003c\/p\u003e\u003cp\u003eBecause these valves frequently run large softening or filtration systems serving commercial sites or high-demand homes, restoring reliable drive operation quickly is important to keep treated water flowing and avoid costly downtime. Symptoms of a failing drive include stalling mid-cycle, grinding or clicking noises, hesitation between positions, or incomplete regeneration that erodes water quality over time.\u003c\/p\u003e\u003cp\u003eWhen installing, ensure the assembly mounts squarely and the cam indexes correctly with the valve's positions so the cycle timing is accurate. Disconnect power and place the valve in bypass before service, and verify smooth operation through a full cycle once the system is back in service.\u003c\/p\u003e","brand":"Pentair","offers":[{"title":"Default Title","offer_id":45668810031157,"sku":"FL60057-01","price":815.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0552\/4950\/2261\/files\/fl60057-01.jpg?v=1782534103","url":"https:\/\/watersoftenerplus.com\/ja-as\/products\/fleck-drv-assm-3150-3900-upr-sys-5or7","provider":"Water Softener Plus","version":"1.0","type":"link"}