Bestseller
Clack 3 Button Circuit Board with Mylar Face (V3818TC-2TO4BRD)
OEM replacement board & Mylar face for compatible Clack® valves.
Authorized CLACK® Distributor
Shop genuine Clack replacement electronics, valve components, seals, spacers, adapters, and service parts for compatible water treatment systems.
STEP 1: FIND YOUR PART
Start with one of our most common Clack replacement categories, or shop our best-selling circuit board.
Our most popular Clack® replacement board for compatible control valves.
Replacement PC boards and electronic controls for compatible Clack valves.
Bypass assemblies and replacement components for Clack control valves.
Seal stacks, spacer assemblies and common parts for routine servicing.
CIRCUIT BOARDs & ELECTRONICS
Bestseller
OEM replacement board & Mylar face for compatible Clack® valves.
Circuit Board
Replacement electronic control board for compatible Clack® CS systems.
Circuit Board
Replacement PC board for compatible Clack® WS electronic control valves..
Circuit Board
Replacement PC board for compatible Clack® WS electronic control valves.
VALVES & SERVICE COMPONENTS
Valve Part
Replacement bypass assembly for compatible Clack® control valves.
Service Part
Replacement spacer stack assembly for compatible Clack® valve systems.
Service Part
Replacement seal and spacer stack for compatible Clack® control valves.
Fitting
Replacement elbow adapter set for compatible Clack® valve installations.
NEED HELP FINDING YOUR PART?
Send us a photo of your valve, circuit board, part label, or model number and we’ll help confirm the correct replacement before you order.
Share a clear photo of your valve, board, label, or existing part.
We’ll help identify the model and match the correct replacement.
Avoid guessing and get the right Clack® part the first time.
FAQ
Start by checking the part number on your existing circuit board, valve component, or service part. If you are unsure, send us a clear photo of your valve, board, label, or existing part and we’ll help confirm the correct replacement before you order.
Look for the part number printed on the circuit board or its label and compare it with the product listing. Clack® boards can look similar, so matching the part number and compatible valve model is important before ordering.
Not always. Compatibility can depend on the valve model, board version, programming, display configuration, and part number. We recommend matching your existing board as closely as possible or contacting us before purchasing if you are unsure.
We carry a range of Clack® replacement parts including circuit boards, electronic controls, bypass assemblies, seal and spacer stacks, fittings, adapters, and other common service components.
Check your valve model and the part number on the component you are replacing. Many Clack® parts are designed for specific valve families or configurations, so confirming both before ordering helps ensure the correct fit.
Yes. Send us a photo of your valve, circuit board, part label, or model number and we’ll help identify the compatible Clack® replacement part.
Yes. Clack® circuit boards, valve components, and replacement service parts are available for shipping within the USA.
CUSTOMER FEEDBACK
READY TO ORDER?
Shop Clack® circuit boards, valve components, seals, spacers, fittings, and service parts — or contact us if you need help confirming compatibility before you order.