The Clack V3158-01 male drain elbow assembly is the direct replacement for leaking vacuum breakers in Clack WS1 and WS1.25 water softener valves. This grey-colored 3/4" NPT male fitting restores reliable drain function to Clack, Ultima, and Olympus water treatment systems.
SPECIFICATIONS
Technical Details
| Manufacturer Part Number | V3158-01 |
| Thread Size | 3/4" NPT Male |
| Color | Grey |
| Compatible Valve Models | WS1, WS1.25 |
| Application | Softener & backwashing filter valves |
| Included Components | Drain elbow, O-ring (non-threaded end) |
| Not Included | DLFC, retainer clip |
| Replacement Type | OEM direct replacement |
INSTALLATION & USE
Replacement Procedure
- Remove the DLFC (drain line flow control) from your existing drain elbow before discarding the old part
- Insert the DLFC into the new V3158-01 drain elbow assembly
- Install the new drain elbow onto the valve body, ensuring the included O-ring is properly seated on the non-threaded end
- Thread the 3/4" NPT male connection to your drain line, tightening hand-tight plus one quarter turn with a wrench
COMPATIBILITY
Compatible Systems
This drain elbow assembly works with Clack WS1 and WS1.25 control valves found in water softener systems and backwashing filter systems manufactured by Clack Corporation, Ultima Water Systems, and Olympus. It resolves vacuum breaker leaks common in older grey-style drain elbows. Verify your existing drain elbow color and valve model before ordering.
🔧 The DLFC must be transferred from your old drain elbow to maintain proper drain flow rate during regeneration or backwash cycles. Without it, the valve may drain too quickly and fail to complete the regeneration process correctly.
