JET INTERNAL: 3.5" LIMELIGHT
About This Part
JET INTERNAL: 3.5" LIMELIGHT — a genuine Caldera replacement part for spas and hot tubs. Part #74663.
This is an authentic Caldera component, stocked and shipped by Sauna Company USA. Order genuine Caldera part #74663 online with fast shipping, secure checkout, and expert support from our parts team.
- Manufacturer: Caldera
- Part Number: 74663
- Category: Jets & Plumbing › Jets › Jet Internals
- Availability: Regular Stock
Detailed Description
The 74663 is a 3.5-inch Combination Hot Tub Jet used in Caldera and Limelight Spas. It features a stainless steel faceplate and provides both a steady, direct stream and a rotating massage. You can change the massage by turning the faceplate.
Key Features
- Dual Action: Adjust the nozzle to switch between a steady stream or a spinning massage.
- Adjustable Speed: Twist the face to speed up, slow down, or shut off the water completely.
- Dimensions: It is 3.5 inches wide and 4 inches deep.
- Compatibility
- The 74663 jet fits many Caldera and Limelight spa models made from 2008 onward. This includes hot tubs like the Caldera Marino, Palatino, and Vanto.
- Ships from the USA
- Secure checkout
- Lowest price guaranteed
Related Jet Internals
Browse more: Jet Internals · All Caldera parts
Technical Specifications
| Part Number | 74663 |
| Brand | Spa Parts |
| Item Type | Part |
| Category | 74663,Caldera,Jet Internals,Jets,Jets & Plumbing,Part #74663, |
| Shipping Method | Standard parcel |
| Availability | In Stock |
Contact us to confirm compatibility with your specific model before ordering.
Installation Overview
Lighting installation — use only sauna-rated LED components. Protect from direct water contact.
- Power off the lighting circuit at the breaker.
- Plan the layout: mark mounting positions on the ceiling or bench fascia.
- Drill mounting holes and route the low-voltage cable through the sauna wall to the driver/transformer (located outside the hot zone).
- Connect the LED fixtures to the cable run; secure with the provided clips or housing.
- Wire the driver per the manufacturer diagram; confirm the transformer is rated for the number of fixtures.
- Restore power and test all fixtures; check that no light is exposed to direct water splash.
Compatibility & System Requirements
This part is designed for use with:
- Spa Parts Products
Not sure if this fits your system? Contact us with your model number and we'll confirm before you order.
Frequently Asked Questions
Is this a genuine OEM part?
Yes. Sauna Company USA is an authorized dealer for Spa Parts. All parts sold are genuine OEM components sourced directly from the manufacturer or authorized distributor, not aftermarket substitutes.
How do I confirm this fits my model?
Match the part number (SKU) on the product against the parts list in your equipment's owner manual, or locate the data plate on your unit and compare the model number to the compatibility table above. If unsure, contact us with your model number before ordering.
Can I return this part if it doesn't fit?
Parts & accessories are non-returnable once opened — incorrect parts cannot be resold as new. Please confirm compatibility before purchasing. We're happy to help identify the correct part for your system.
How long will shipping take?
Standard parcel orders ship within 1–2 business days. Estimated transit is 2–5 business days depending on your location. Expedited options are available at checkout.
Shipping & Delivery
Standard parcel shipping — ships within 1–2 business days via UPS or FedEx.
- Tracking number emailed when shipped.
- Estimated transit: 2–5 business days depending on destination.
- Expedited shipping options are available at checkout.
- Orders placed before 5pm ET on business days ship the same or next business day.
Questions about your order? Email info@saunacompanyusa.com or use our contact page.
Warranty & Returns Policy
Manufacturer Warranty: This part is covered by Spa Parts's standard manufacturer warranty against defects in materials and workmanship. Warranty duration and terms vary by part type — refer to the documentation included in the package or contact us for details.
Returns: Parts & accessories are non-returnable once ordered. This policy exists because installed or opened components cannot be resold as new. Please verify compatibility thoroughly before purchasing — we're here to help.
Defective items: If your part arrives damaged or defective, contact us within 48 hours of delivery. We will arrange a replacement at no charge with proof of the defect (photos or video).
For warranty claims, visit our Warranty Claims page.