Water hardness is caused almost entirely by calcium and magnesium ions. Other di- and trivalent metals have a similar effect, but usually are not present in high enough concentration in potable waters to cause problems. Hardness increases soap consumption in laundries and causes scale in boilers.

3/4" plastic yoke, npt. 18706-023/4" plastic yoke, npt. Fits all fleck control valves. Fits 5600, 5600sxt, 2510, 2510sxt, 9100, 9100sxt, This works with the plastic bypass or in place of a bypass to allow you to connect to 3/4" plumbing easily.

Most popular home water softener for long life, ease of use and soft water. Eliminate the hard water that causes scale build up and reduces soap efficiency with our complete whole house water softening unit with high efficiency Fleck 5600SXT Digital on demand control valve. 3/4 inch bypass valve, 1....

We have a great selection of Parts & Accessories products including the Fleck 3/4" plastic bypass. 60049 (60049) at unbeatable prices.60049, 3/4" plastic bypass valve. Fits 2510, 4650, 5000se, 5600, 5600se, 6600, 6700, 7000, 8500, and 9000 control valves.