Clack WS3 3" Time Clock Valve Body V3DTH-05

The Clack WS3 3" Time Clock Valve Body (V3DTH-05) is a large-format commercial control valve supplied by WrekinWater, using scheduled electronic time-clock control rather than a meter to trigger regeneration or backwash cycles on major commercial water treatment plant. Part of Clack's top-tier WS3 range, this 3" valve body is built for sites where a predictable, fixed daily or weekly service schedule is preferred over usage-based control, such as commercial softening or filtration installations with consistent, predictable water demand.

Technical specifications

Symptoms that mean you need this part

• The commercial system is failing to regenerate or backwash on its scheduled cycle, or the timer mechanism has become unreliable
• A drop in site water pressure or performance points to internal wear on the existing 3" valve body
• The valve is stuck mid-cycle or not returning to service position, disrupting supply to the commercial site
• The existing WS3 valve body is aged, cracked or corroded and due for planned replacement as part of commercial plant maintenance

Why it fails / why it matters

Time-clock controlled commercial valves like the WS3 rely on an internal drive mechanism and piston assembly to move through each stage of the regeneration or backwash sequence at the scheduled time, and at commercial flow rates that mechanism is under constant load. Over years of continuous operation the drive gears, seals and piston wear, mineral deposits can build up inside the valve body, and the timer motor itself can fail, all of which stop the valve completing its cycle reliably — because this is a precision commercial assembly, the standard fix is to replace the complete valve body rather than individual internal parts.

Why buy this from WrekinWater

WrekinWater has served more than 50,000 customers over 15 years from its base in Bettisfield, Shropshire, and carries genuine Clack, Pentair Fleck, Autotrol and Kinetico parts spanning domestic to full commercial specification. As a UK-registered company (Company No. 11000488) rated Excellent on Trustpilot, WrekinWater supplies this Clack WS3 time clock valve body to installers and water treatment engineers who need a dependable source for large-scale plant components.

How to fit it

1. This is a large commercial valve body and must be installed and commissioned by a qualified water treatment engineer — this is not a DIY job
2. The engineer isolates the system, relieves pressure and shuts off the incoming supply before removing the old valve
3. The vessel is drained and the existing 3" time clock valve body is disconnected from the tank and site pipework
4. The new Clack WS3 V3DTH-05 valve body is fitted to the vessel and reconnected to the pipework, checking alignment of the large-bore connections
5. The engineer sets the time clock to the correct regeneration or backwash schedule to match the site's water demand and treatment requirements
6. The system is repressurised and observed through a full cycle while the engineer confirms correct timing, sequencing and a leak-free installation