: Effectively reduces up to 8–10 parts per million (ppm) of clear water iron, preventing those unsightly orange stains on laundry and fixtures. Installation & Specifications
To keep that unit running for a decade, follow this quarterly checklist:
In certain official Fleck service manuals (like the Fleck 2750), part numbers in that numeric range refer to specific internal gaskets, end plug O-rings, or small structural components rather than a complete machine.
A: Yes. If you are on a low-sodium diet, potassium chloride works in the 40278. However, it is 3x more expensive and can cause "mushing" in the brine tank. Clean the tank yearly if you use potassium.
Over the next month, the 40278 became Elias's unlikely companion.
Unlike some competitors, the 40278 comes as a :
: These parts are often interchangeable between Kenmore , Whirlpool , and Morton units because they use the same internal valve design.