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Cal Spa ELE09100035 Circuit Board C1100R1A thru C1100R1E (ONLY)

Cal Spa ELE09100035 Circuit Board C1100R1A thru C1100R1E (ONLY)
  • Manufactured by: Cal Spa
  • Part Number: ELE09100035
  • Chip Number: C1100R1A thru C1100R1E (ONLY)


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Item Number: 22-7678

  • Description
  • Details
  • Reviews

The Cal Spa ELE09100035 C1100R1A thru C1100R1E (ONLY) circuit board is discontinued but we have options.

Option 1: Scroll down to RELATED PRODUCTS for other replacement options.

Option 2: Get your circuit board repaired.  Please contact us before sending items in for repair.

Option 3: Contact us to inquire about a new retro-fit system control box replacement.

Cross Reference Verification
Chip Numbers:
  • C1100R1A
  • C1100R1B
  • C1100R1C
  • C1100R1D
  • C1100R1E
  • CS1100R1A
  • CS1100R1B
  • CS1100R1C
  • CS1100R1D
  • CS1100R1E
Additional Cross Ref., Compatibility & Installation
ATTENTION: This replacement is only for chip numbers C1100R1A thru C1100R1E.
If your chip number's last letter is higher, see Related Products below for the proper compatible replacement.
Tip: When replacing a hot tub circuit board, testing the heater and replacing it (if bad), is recommended before installing or applying voltage on a new circuit board.
Note: A continuity test is not a sufficient heater test. Contact us by phone for more details on testing a heater.

Tip: Burned circuit boards or burned heater relays are often due to a loose electrical connection or a bad heater or both.
If all connections are tight and if the heater is good then the heater relays are probably old and worn out.
If a burned relay was powering a pump and all electrical connections are tight then the relay is probably old and worn out or the pump might be bad or going bad or all three.
Replacing the heater and/or pump with a new one is recommended if any of those scenarios apply.

Tip: See RELATED PRODUCTS below for more Cal Spa ELE09100035 C1100R1A thru C1100R1E (ONLY) replacement options.

Unsure of what something on this page means?

Please contact us so we can better assist you.


  • Manufactured by: Cal Spa
  • Part Number: ELE09100035
  • Part Number: C1100R1A thru C1100R1E (ONLY)
  • Item Number: 22-7678


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