Cleaning the nozzle and venturi – Whirlpool WHES40 User Manual
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Cleaning the Nozzle and Venturi
A clean nozzle and venturi (see Figure 12) is a must for the conditioner to work properly. This small
water softener creates the suction to move brine from the brine tank, into the resin tank. If it should
become plugged with sand, silt, dirt, etc., the conditioner will not work, and you will get hard water.
To get to the nozzle and venturi, remove the top cover. Put the bypass valve(s) into bypass position.
Be sure the water softener is in soft water cycle (no water pressure at nozzle and venturi). Then, holding
the nozzle and venturi housing with one hand, turn erff the cap. Do not lose the o-ring seal. Lift out the
screen support and screen. Then, remove the nozzle and venturi. Wash the parts in warm, soapy water
and rinse in fresh water. If needed, use a small brush to remove iron or dirt. Do not scratch, misshape,
etc., surfaces of the nozzle and venturi. Also, check and clean the gasket and flow plug(s).
Replace all parts in the correct order. Lubricate the o-ring seal with silicone grease and locate in
position. Install and tighten the cap, by hand only. Do not overtighten and break the cap or housing.
Put the bypass valve(s) into service/soft water position.
Cap
O-ring seal
Screen support
Screen
Nozzle & venturi
Gasket
‘Flow plug (HVDC)
Nozzle & venturi
housing
*Flow plug
(DUDC or DDUC)
‘Install with lettered side
up concave side down.
Ferrule Nut
IMPORTANT: Be sure
small hole In the gasket is
centered directly over the
small hole In the nozzle &
venturi housing.
Figure 12
Recharge the softener several times to reduce water level in the tank. This will also assure that the
softener is completely recharged and ready to provide softened water again. Once the water level in
the tank is about 2” to 3”, you may resume normal use. If the water level does not drop after a couple
of recharges, do the following:
Remove the brine valve assembly from the brincwcll and push float stem down. Place opening of brine
valve just under the water and start a recharge. Move the brine valve down with each recharge, until
it rests at the bottom of the tank. Add salt, if needed, and return to normal use.
Brine valve assembly is
inside the brincwell, located
in the salt storage tank.
Figure 13
If you have questions about routine maintenance...
Float stem
(push derwn)
call 1-866-986-3223, Monday - Friday, 8 am to 9 pm, EST.
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