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CSL Part Number: 109763
Product Overview: The Walchem 191910 Sensor Input Board is an interface module designed to process analog signals from external sensors in water treatment and chemical dosing systems. Commonly used in Walchem W900 series controllers, it converts sensor inputs (such as pH, ORP, conductivity, or temperature) into digital data for monitoring and control applications. This board enables multi-parameter measurement in applications including cooling towers, wastewater treatment, boiler systems, and industrial process water management. It supports universal sensor compatibility and is also known by revision designator 191703-16D.
Category: Input Card & Modules
Manufacturer: Walchem
Alternate Manufacturer Names: Iwaki America
Manufacturer Part Number: 191910
Also Known As(AKA): 191703-16D Rev D01; W900 Universal SI
Other Synonyms: Iwaki America
Please include wiring diagrams, manuals and clear problem description when requesting an RMA.
Common Failures
No specific failures have been identified for this product. Units received for evaluation have not required repair or service actions.
Repair Approach
When units are received for evaluation, we conduct a thorough review to identify any issues. If no fault is detected, the unit is returned. Customers experiencing ongoing concerns are welcome to contact CSL Customer Service for further assistance.
Limited Repair
The Walchem part number is only available as a limited repair at our facility. Repairs to this item may be limited due to several reasons:
- Availability of parts
- Less than 100% test ability due to required support equipment
To have us attempt a repair on your Walchem part follow these steps:
Step 1 -
Click the Repair Now button above to add the part and complete the RMA form.
Step 2 -
Print the RMA form that is sent to your email, and put it in the box with the parts for repair.
Step 3 -
Mail the box to the address on the RMA.
After we receive your item, we will perform an inspection and an authorization to repair will be sent for your approval. Work will begin after your authorization is received.
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