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Master Spas X801144 Circuit Board VS500TM2R2(x) Alt Replacement

Master Spas X801144 Circuit Board VS500TM2R2(x) Alt Replacement
  • Manufactured by: Master Spas, Inc.
  • Part Number: X801144
  • Chip Number: VS500TM2R2(x)

$240.50



Item Number: 22-9804

  • Description
  • Details
  • Reviews
Please read entire page before placing an order.

This money saving alternate replacement circuit board is for replacing Master Spas X801144 circuit boards having a VS500TM2R2(x) chip number.

Tip: The "(x)" shown above is shorthand for a range of last letters on VS500TM2R2 chip numbers this alternate replacement circuit board can replace.

Please note: A list of chip numbers this alternate replacement circuit board can replace is specified in the CROSS REFERENCE VERIFICATION section below.

Please note: This alternate replacement circuit board is made by the same manufacturer, it is brand new, it is fully compatible with your system, it has the same quality and durability.

Please note: This alternate repalcement circuit board will have different numbers.
Cross Reference Verification
Tip: Locate the chip number on the circuit board you are replacing.
Tip: The whole chip number is on a sticker located on the circuit board (not the box).
Tip: The chip number sticker usually has two lines of text and the top line is the whole chip number (the bottom line is not needed).
Tip: See image above for an example of a chip number sticker and where they're typically found on the circuit board (click the image to enlarge it).

Verify the chip number on the circuit board being replaced placed is in this list.

Chip Numbers:
  • VS500TM2R2A
  • VS500TM2R2B
  • VS500TM2R2C
  • VS500TM2R2D
  • VS500TM2R2E
  • VS500TM2R2F
Additional Cross Ref., Compatibility & Installation
This alternate replacement circuit board is fully compatible with the original system.

If a wiring diagram is shipped with this new circuit board (or emailed) then it shall override your existing wiring diagram.

Otherwise, set wires and/or jumper pins and/or dip switches on the new circuit board to match how they are on the existing circuit board (assuming the old circuit board is already set correctly as per the original wiring diagram on the existing control box).
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.
See RELATED PRODUCTS below for heater replacements.

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: Items shown in RELATED PRODUCTS below have also been found in hot tub systems with Master Spas X801144 VS500TM2R2(x) circuit boards.

Unsure of what something on this page means?

Please contact us so we can better assist you.


  • Manufactured by: Master Spas, Inc.
  • Part Number: X801144
  • Part Number: VS500TM2R2(x)
  • Item Number: 22-9804


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