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Frequently asked questions

The filter valve (Chrono SXT) backwashes a filtration media bed; the softener valve (Chrono SXT Down Flow) regenerates a resin bed with brine — check which type your existing valve is before ordering a replacement or parts.

DLFC stands for Drain Line Flow Controller — it regulates the drain flow rate during backwash. Some valve variants are listed "no DLFC", meaning you'll need to order one separately if your installation requires it.

This flag means stock isn't guaranteed — please call us to confirm current availability before ordering, since we don't want you to order something we can't actually fulfil.

Check the model plate on the valve for the exact part number (e.g. V275SC-600, V275SC-602, V275SC-603) — these correspond to different configurations (standard, hot water, down flow) that aren't interchangeable.

Many wear parts are DIY-fittable with basic tools; for a full valve replacement we'd recommend confirming your exact model and configuration with us first to make sure you order the right variant.