Best Water Softener Circuit Board Options for Clack Systems
Answering the common buyer need: find reliable replacement circuit boards for Clack-based water softeners. This guide highlights five compatible boards, noting who each is best for, typical installation considerations, and potential limits. Ideal for homeowners upgrading older units, technicians performing repairs, and property managers seeking dependable replacements that restore softening performance. The following summary table helps compare core details at a glance.
| Product | Best For | Key Benefit |
|---|---|---|
| DEENGK V3108 Circuit Board | Clack WS1 users needing 5-button compatibility | Simple clip-in installation; matches horizontal 5-button pattern |
| JDZHYR V3108 Water Softener Circuit Board | Any brand with Clack WS1 and 5-button head | Direct compatibility; essential for proper softening control |
| JDZHYR 7360867 PWA Circuit Board | NSC22/NSC31, EP31/EP42 users needing broad compatibility | Restores core softening and monitoring functions |
| JUMOPARTS 7360867 PWA Circuit Board | EcoPure and North Star systems using 7360867 | Direct install with identical interface; minimizes modification |
| XHEIN V3108 Circuit Board | Clack WS1 5-button configurations | Replaces V3108; fault repair and quick replacement |
DEENGK V3108 Circuit Board — Clack WS1 Compatible

The DEENGK V3108 circuit board is designed to fit Clack WS1 control valves and the horizontal 5-button layout used across multiple brands. It serves as a replacement part for water softener circuits and supports straightforward clip-in and plug-in installation. This board is best for technicians or homeowners who want a quick swap without extensive wiring. Typical programming steps align with the original system instructions, ensuring minimal downtime. Best for systems that rely on a five-button control surface for routine scheduling and hardness adjustments.
Best for: users with Clack WS1 or 5-button heads seeking rapid replacement. Caveat: programming specifics may require referring to the original manufacturer’s manual to align settings.
JDZHYR V3108 Water Softener Circuit Board

The V3108 board from JDZHYR fits all brands that use the Clack WS1 control valve with a horizontal 5-button pattern. As a replacement part, it supports essential softening operations and maintains system control. This option is best for installations where the WS1 interface is preserved and a direct replacement is preferred to avoid reconfiguring the control head. Consider this choice when you need a straightforward swap with established compatibility.
Best for: users needing a direct V3108 replacement with five-button compatibility. Limitation: confirmation of exact model compatibility with your valve family may be necessary per installation manual.
JDZHYR 7360867 PWA Circuit Board

Part Number 7360867 is compatible with many electronic control boards used in NSC22/NSC31/EP31/EP42 configurations. This PWA replacement restores essential softening and salt-level monitoring functions, helping prevent issues that lead to improper hardness or system shutdowns due to circuit faults. It’s a solid option when restoring older systems that previously used 7360867 or compatible NSC/EP configurations.
Best for: users with NSC22/31 or EP31/EP42 systems needing reliable PWA replacement. Caution: verify the exact device compatibility since multiple model families share similar part numbers.
7360867 PWA Circuit Board — North Star/EcoPure Units

This 7360867 board is described as compatible with North Star Water Treatment NSC22/NSC31/NSC, WC, and EcoPure EP31/EP42 series. It offers a direct replacement path for the electronic control board, aiming to restore standard softening performance and monitoring. Choose this if your system aligns with the North Star or EcoPure line and you want a PWA-compatible replacement that mirrors the original interface. Better for: ecosystems using 7360867 or similar PWA replacements.
Caution: ensure alignment with the specific EP or NSC family to avoid interface or function mismatches.
XHEIN V3108 Circuit Board for Clack WS1

The XHEIN V3108 circuit board is designed for Clack WS1-based systems with a 5-button horizontal configuration. It provides a direct replacement when the original board is damaged or unresponsive. The board advertises a perfect fit for fault repair, ensuring the system can resume normal water softening operations after a failed circuit board. This option is best for quick, cost-effective repairs on WS1 setups.
Best for: users needing a fast V3108 replacement with Clack WS1 compatibility. Caution: verify that the button layout and mounting match your specific valve head to avoid misalignment.
American Water Solutions V3108 Circuit Board

The V3108 board from American Water Solutions (Vistar Water Technologies label) is listed as a Clack V3108 replacement compatible with older WS1 setups. It supports interchangeable use with earlier versions, making it suitable for upgrades on legacy systems. This option is best for environments with older Clack configurations where continuity with previous V3108 versions is prioritized. Consider documentation alignment to confirm exact compatibility with your control valve model.
Limitations: compatibility checks with your current valve head may be necessary to ensure seamless operation.
Clack V3408 EE Digital Circuit Board

The Clack V3408 EE digital circuit board is designed for Clack-based water softeners and filters, accommodating a range of models. It provides authentic OEM compatibility and supports various sizes and configurations within Clack systems. This option is best for users who need an official Clack replacement with straightforward installation that preserves digital control functions. Consider this if your system requires the V3408 family’s features.
Limitation: intended for Clack-brand devices; non-Clack installations may not be compatible.
Buying Guide: Key Purchase Considerations
- Compatibility: Verify valve model (Clack WS1, NSC, EP, EcoPure, North Star) and the number of control buttons (e.g., 5-button layout) to ensure a precise match.
- Installation: Look for boards that offer a clip-in or plug-in installation to minimize wiring changes and downtime.
- Functionality: Confirm the board supports essential softening functions, including salt level monitoring and water hardness control.
- Manufacturer and revisions: Prefer boards with clear part numbers and compatibility notes to avoid cross-version issues.
- Maintenance and support: Consider boards with accessible manuals or installation guidance for programming and troubleshooting.
Frequently Asked Questions
- What is the V3108 circuit board used for?
It is a replacement board designed for Clack WS1 control valves and similar 5-button configurations to control the water softening process.
- Will a V3108 board fit all 5-button Clack heads?
It fits systems with the Clack WS1 valve and horizontal 5-button layouts, but always confirm the exact head model before purchasing.
- Why might I need a PWA 7360867 board?
If your system uses NSC or EP configurations, the 7360867 PWA board can restore core softening and monitoring functions and prevent issues caused by faulty boards.
- Is it better to buy OEM or aftermarket boards?
OEM boards provide guaranteed compatibility with the original design, but reputable aftermarket boards can offer reliable performance at a lower price. Verify compatibility with your valve model and system requirements.
- Can I install a replacement board myself?
Many boards offer clip-in or plug-in installation. Follow the manufacturer’s instructions, disconnect power before starting, and refer to the schematic for wiring if needed.
- What should I do if the new board doesn’t work immediately?
Double-check that the model, orientation, and programming steps match the original setup. Some systems require programming according to the manufacturer’s guide after replacement.