VS501 Series Circuit Board MS1600R1 X801115

Name: VS501 Series Circuit Board MS1600R1 X801115
Brand: Master Spa
SKU: X801115
Price: 1268.1 USD
Availability: InStock

Part #: X801115

$1268.10

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🔒 Secure checkout↩️ 30-day returns✅ 1-year warranty

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Also replaces

MS1600R1

1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this circuit board

The VS501 Series Circuit Board MS1600R1 (X801115) is a genuine Master Spa control pack circuit board designed for compatible Master Spa hot tub systems. This OEM replacement board ensures reliable operation of your spa's control functions, maintaining the precise performance standards your Master Spa was designed to deliver.

At Bubbles Supply, we guarantee this circuit board is the exact fit for your system, backed by our comprehensive 1-year warranty and same-day shipping on in-stock items. As Canada's spa parts authority, we stock only genuine OEM components to ensure long-lasting performance and compatibility. Professional installation is recommended for circuit board replacements—always disconnect power at the breaker before beginning any electrical work and verify model compatibility with your existing control pack housing.

Exact part number

X801115

Save this for ordering or warranty claims

Also known as / Replaces

This part replaces or is interchangeable with:

MS1600R1
MS1600R1 control board
VS501 circuit board
VS501 series main board
X801115 board

Looking for an older part number? Check our supersession lookup tool

Common symptoms this part fixes

If your spa is showing any of these signs, this part is likely your fix:

Spa completely unresponsive — no topside panel, no pumps, no heat
Error codes flashing that cannot be cleared by power cycling
Topside control panel shows blank screen or garbled display
Pumps and heater run intermittently without user input
Spa loses programmed settings after every power cycle
One or more spa functions (jets, blower, lights) stopped responding to controls

Not sure if this is your problem? Try our diagnostic centre or .

Before you buy — quick checklist

Confirm your control pack housing is a VS501 series — check the label on the existing board or pack enclosure before ordering
Verify the part number MS1600R1 or X801115 appears on your existing circuit board before purchasing
Rule out the topside panel and cable as the fault source before replacing the main board — a bad panel can mimic board failure
Check for visible burn marks, corrosion, or damaged capacitors on your existing board to confirm board-level failure
Ensure the replacement board revision matches your pack — board revisions can affect compatibility within the same VS501 series
Disconnect all power at the breaker and discharge any stored voltage before handling the board

Reading the checklist now prevents 90% of returns. Worth the 60 seconds.

Hard — Technician recommendedTypically 60-120 minutes

Warranty

1 year manufacturer warranty against defects

Covers manufacturing defects. Does not cover improper installation, normal wear, or accidental damage.

Warranty claims: warranty@bubblessupply.com

Perfect Fit Guarantee

Ordered with our help and the part doesn't fit? Contact us before installation. We'll resolve it with an exchange, replacement recommendation, or return approval.

Learn about our Perfect Fit Guarantee →

Shipping

We ship across the US and Canada. US orders ship from our US warehouse to US customers; Canadian orders ship from our Canadian warehouse to Canadian customers — no cross-border shipping, no surprise duties. In-stock orders placed before 3pm CT ship same day. Standard shipping $9.95 flat rate. Free shipping on orders over $200. Express options available at checkout.

Returns

30-day hassle-free returns on unused parts in original packaging. Contact us before returning to receive your RMA number.

Frequently asked questions

Check the Compatibility section above to confirm fitment for your spa brand and model. If your model is not listed, use our fitment selector at /pages/find-my-part or ask our parts AI for a personalized recommendation.

In-stock orders placed before 3pm CT ship the same day. You will receive tracking information by email as soon as your order ships.

We accept returns within 30 days of delivery for unused items in original packaging. Email returns@bubblessupply.com with your order number to start a return. Installed electrical parts cannot be returned for safety reasons.

Yes, all new parts come with a 1-year warranty against manufacturing defects. Warranty does not cover damage from improper installation or normal wear and tear.

Customer reviews

AI Fitment Assistant

Tell us your spa model and we will confirm this part fits before you buy.