Automatic Shut-Off Valve, 4 Way 1/8" Female NPT
Part Number: S2000W
Alt. Part Number: S2000B
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Expected ship date
Please note: This item is not available for same day shipping.
Use the chat feature or give us a call at 864-284-1801 for
further information.
Please note: This item is not available for same day shipping. Use
the chat feature or give us a call at 864-284-1801 for further
information.
More expected soon
Please note: This item is not available for same day shipping. Use
the chat feature or give us a call at 864-284-1801 for further
information.
Please note: This item is not available for same day shipping. Use the chat feature or give us a call at 864-284-1801 for further information.
Please note: This item is not available for same day shipping. Use the chat feature or give us a call at 864-284-1801 for further information.
NOTE: Port Connection are 1/8" Female NPT, fittings not included.
Here's how it works: The valve automatically shuts off production when the tank pressure reaches approximately 65% of the incoming line pressure to indicate the tank is full. This device saves thousands of gallons of water. RO Systems without an ASO valve continually send Rinse water to the drain even when the tank is full.
Installation:
-
Insert the tube feeding the membrane inlet into the ASO IN/OUT fittings:
- Insert the tube from the PREFILTER Outlet into the "IN" fitting .
- Insert the opposite tube end that feeds the Membrane INLET into the "OUT" fitting . NOTE: The "IN & OUT" markings are on the screw side of the valve - THIS IS THE HIGH PRESSURE FEED SIDE.
- Insert the tube feeding the tank from the Product Water port of the membrane housing:
- Locate the Product Water outlet from the membrane housing (on the end w/ 2 ports: center is Product water, side port is Rinse/Drain).
- Insert the Product water tube from the membrane housing into either "Tank" fitting of the valve (ie Low Pressure side).
- Insert the opposite tube end that feeds the Tank into the other "Tank" fitting of the valve.

Product Details | |
---|---|
Sub-Type | ASO Valves |
Type | Accessories |
Warranty & Certifications | |
Certifications | NSF certified |
Product Weight & Dimensions | |
Product Weight (lbs) | 0.3 |
NOTE: Port Connection are 1/8" Female NPT, fittings not included.
Here's how it works: The valve automatically shuts off production when the tank pressure reaches approximately 65% of the incoming line pressure to indicate the tank is full. This device saves thousands of gallons of water. RO Systems without an ASO valve continually send Rinse water to the drain even when the tank is full.
Installation:
-
Insert the tube feeding the membrane inlet into the ASO IN/OUT fittings:
- Insert the tube from the PREFILTER Outlet into the "IN" fitting .
- Insert the opposite tube end that feeds the Membrane INLET into the "OUT" fitting . NOTE: The "IN & OUT" markings are on the screw side of the valve - THIS IS THE HIGH PRESSURE FEED SIDE.
- Insert the tube feeding the tank from the Product Water port of the membrane housing:
- Locate the Product Water outlet from the membrane housing (on the end w/ 2 ports: center is Product water, side port is Rinse/Drain).
- Insert the Product water tube from the membrane housing into either "Tank" fitting of the valve (ie Low Pressure side).
- Insert the opposite tube end that feeds the Tank into the other "Tank" fitting of the valve.

Product Details | |
---|---|
Sub-Type | ASO Valves |
Type | Accessories |
Warranty & Certifications | |
Certifications | NSF certified |
Product Weight & Dimensions | |
Product Weight (lbs) | 0.3 |
- Its expected shipping date is:
- Use the chat feature or give us a call at 864-284-1801 for information about when it will be available for shipping.
- This does not qualify for free shipping.
Please note: This item is not available for same day shipping. Use the chat feature or give us a call at 864-284-1801 for further information.
Please note: This item is not available for same day shipping. Use the chat feature or give us a call at 864-284-1801 for further information.