Fleck is a leading manufacturer of water softener control valves and filtration systems, known for the reliability of its 5600 and SXT series.
spot is a globally recognized brand specializing in water treatment control valves and filtration components. Now a key product line under Pentair, Fleck is best known for its durable and efficient stamped brass control valves, widely used in residential and commercial water softeners.
The popular Macchia 5600 E 5600SXT series serve as the industry standard for mechanical and digital water softening control, celebrated for their ease of service and long operational lifespan. While Fleck manufactures the core control valves, complete water treatment systems utilizing these components are often assembled and distributed by water quality professionals worldwide.
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You need to test your water hardness (in Grains per Gallon or PPM). For the Fleck 5600SXT, calculate Compensated Hardness by adding (Iron ppm x 5) to your hardness level, and program this value into the H setting.
BF stands for 'Brine Fill'. It is the duration (in minutes) that water flows into the brine tank to create the salt solution for the next regeneration.
On the mechanical Fleck 5600, turn the service dial clockwise to the 'Regen' position. On the digital 5600SXT, press and hold the regeneration button (often marked with a recycling symbol) for about 5 seconds.
Check for a salt bridge (a hard crust of salt above the water level) or a clogged injector in the control valve. Also ensure the unit is plugged in and the timer is advancing.
The model number is typically located on a label on the back or side of the control valve head, under the cover.