About the water softener system.
Cleaning the Nozzle and Venturi Assembly
A clean nozzle and venturi is needed for the water softening system to work properly. This small unit makes the suction to move brine from the salt storage area to the resin tank during regeneration. If it becomes plugged with sand, dirt, etc., the water softening system will not work and you will get hard water.
To get to the nozzle and venturi, remove the water softening system top cover. Be sure the water softening system is in service cycle (no water pressure at nozzle and venturi). Then, while holding the nozzle and venturi housing with one hand, remove the cap. Lift out the screen support and screen, then the nozzle and venturi. Wash and rinse the parts in warm water until clean. If needed, use a small brush to remove iron or dirt. Also check and clean the gasket.
NOTE: Some models have a small flow plug located in the nozzle and venturi, and/or a small cone shaped screen in the housing. Be sure to check and clean these parts, if your model is so equipped.
Carefully replace all parts in the correct order. Lightly lubricate the
Cap 
Screen support 
Screen 
*Flow plug 
Nozzle & Venturi 
Screen
Gasket
*Flow plug 
Nozzle & Venturi housing
IMPORTANT: Be sure small holes in the gasket are centered directly over the small holes in the nozzle and venturi housing.
*Install with numbered side up, concave side down.
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