The Cal Spas CS2100/CS5000 Circuit Board (ELE09100205) is a replacement control board offering reliable operation and built-in diagnostics for compatible Cal Spas systems.

Specifications:

• Brand: Cal Spas
• Compatible models: CS2100 / CS5000
• Features: Built-in diagnostic capabilities, energy-efficient operation
• Part no: ELE09100205

Fits/replaces:

• Cal Spas CS2100 and CS5000 model spa systems
• Confirm your existing board's part number matches ELE09100205 before ordering

Common signs you need this part:

• Spa won't power on, or trips the breaker repeatedly
• Pumps or heater don't respond to topside controls
• Persistent error codes not resolved by sensor or switch replacement

Returns & installation: Circuit boards are electrical components and are non-returnable once opened, per our Terms & Conditions. Professional installation by a licensed technician is recommended.

FAQ

Will this work with my Cal Spas system? It's built for CS2100 and CS5000 models — confirm your existing board's part number matches before ordering.

Does it have diagnostics? Yes — it includes built-in diagnostic capabilities to help identify system issues.

Can I return this if it's the wrong part? No — circuit boards are final sale once opened, so confirm compatibility before ordering.