Frog Cap
About This Part
Frog Cap — a genuine Marquis Spa replacement part for spas and hot tubs. Part #990-0783.
This is an authentic Marquis Spa component, stocked and shipped by Sauna Company USA. Order genuine Marquis Spa part #990-0783 online with fast shipping, secure checkout, and expert support from our parts team.
- Manufacturer: Marquis Spa
- Part Number: 990-0783
- Category: Water Care › Mechanical Systems › Chemical Feeders
- Availability: Regular Stock
Detailed Description
- Ships from the USA
- Secure checkout
- Lowest price guaranteed
About This Part
The Frog Cap is a genuine Marquis Spa replacement part, part #990-0783, for water care (mechanical systems). It is an authentic Marquis Spa component stocked and shipped by Sauna Company USA, so you can repair your spa or hot tub with the correct OEM part rather than a generic substitute. Order part #990-0783 online with fast U.S. shipping, secure checkout, and support from our parts team, who can help confirm it is right for your equipment before you buy.
Related Mechanical Systems
Browse more: Mechanical Systems · All Marquis Spa parts
Technical Specifications
| Part Number | 990-0783 |
| Brand | Spa Parts |
| Item Type | Part |
| Category | 990-0783,Chemical Feeders,Marquis Spa,Mechanical Systems,Part #990-0783,Water Care |
| Shipping Method | Standard parcel |
| Availability | In Stock |
Contact us to confirm compatibility with your specific model before ordering.
Installation Overview
General accessory installation — follow all manufacturer instructions included in the package.
- Verify compatibility with your specific model using the part number before installing.
- If electrical work is involved, engage a licensed electrician — do not bypass safety interlocks.
- Use only manufacturer-approved tools and hardware. Substitutions may void the warranty.
- Test the system at low settings first after any installation or replacement.
- Register the part with the manufacturer to activate the warranty.
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.