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Bullet Lens Flange 400372-RND - Bubbles Supply

Bullet Lens Flange 400372-RND

Part #: 400372-RND

$1.24
In stock — ships today
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🔒 Secure checkout↩️ 30-day returns✅ 1-year warranty
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1-year warrantySame-day ship before 3pm CTPerfect Fit Guarantee30-day returns

About this lighting

The Sloan Bullet Lens Flange 400372-RND is a premium LED lighting component designed for spa and hot tub installations requiring reliable underwater illumination. This frosted polycarbonate flange features a 1-inch diameter design that delivers even light distribution while resisting the harsh chemicals and temperature fluctuations common in spa environments. As an OEM Sloan part, it ensures seamless integration with existing lighting systems.

At Bubbles Supply, we guarantee this bullet lens flange will deliver the exact fit your spa demands, backed by our comprehensive 1-year warranty and same-day shipping on in-stock items. The durable frosted polycarbonate construction provides superior light diffusion compared to standard clear lenses, creating the perfect ambiance for your spa experience. Always verify your existing part number matches 400372-RND before ordering to ensure proper compatibility with your spa's lighting system.

Exact part number

400372-RND

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Also known as / Replaces

This part replaces or is interchangeable with:

  • Bullet lens cap
  • bullet light replacement lens
  • spa light lens flange
  • underwater light lens cover

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:

  • Cracked or shattered lens flange
  • Discolored or yellowed lens reducing light output
  • Light fixture leaking water through lens seal
  • Frosted diffusion surface scratched or clouded
  • Broken retaining flange preventing secure lens mounting

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

Before you buy — quick checklist

  • Confirm your existing lens flange part number is 400372-RND before ordering
  • Verify the lens diameter matches your current fixture opening
  • Inspect the light niche and housing for damage — a cracked niche will need to be addressed separately
  • Check that the replacement lens material (frosted polycarbonate) is compatible with your spa's chemical treatment program
  • Turn off all power to the spa lighting circuit at the breaker before beginning any lens work

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

Install difficulty: Easy — DIY-friendlyTypically 15-30 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.

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