Premium patio lawn and garden quality selected for United States (USA) customers.
Magic Plastics
Magic Plastics 0121109020 - 2-in FBT Spa Pump Union Split Nut | Approx. 3 1/16 in ID
High-performance patio lawn and garden made for confident daily results
3 shoppers currently have this item in cart.
Low stock: only 5 left in inventory. Add to cart before it's gone.
Fast dispatch with always-free shipping and secure checkout on every order.
Free shipping
iFree shipping on every order. Fast dispatch, tracked delivery, and secure checkout included.
Easy returns
iSimple return flow and responsive support for eligible items.
Peak-demand shipping delays
iDuring high demand, deliveries may experience short carrier delays. Tracking updates remain active for every order.
24/7 customer support
Questions before checkout? Our team is available and ready to help.
Terms quick view
100% money-back guarantee for eligible returns.
Orders include free shipping. Returns and service terms may vary by item eligibility and destination.
Why customers choose Cera Garden
Overview
Discover the Magic Plastics 0121109020 split nut, a purpose-built component for spa and hot tub pump unions. Sized for 2-in connections with an approximate inner diameter of 3 1/16 in, this part is designed to help you maintain secure, dependable fittings in damp environments.
What it fits
Designed for pump unions with a 2-in to 2-3/4-in diameter range on both ends. It features a female buttress thread (FBT) and a small flange for a tidy, low-profile connection.
Installation and maintenance
The split nut design allows easier servicing of spa pump unions without disassembling the entire plumbing run. This can save time during routine maintenance or pump swaps, reducing downtime and frustration.
- Two compatible connection sizes: 2 in and 2-3/4 in on each side
- Female buttress thread with a small flange for a secure, compact fit
- Black finish compatible with standard spa hardware
Practical use cases include routine filter changes, pump servicing, or replacing worn hardware in spa and hot tub setups. The part is designed to perform in wet, high-humidity environments while maintaining a clean, professional appearance.
Why choose this split nut
- Replaces worn or missing split nuts to restore a reliable seal
- Designed for quick reassembly, minimizing downtime
- Compact, unobtrusive footprint that fits tight pump bays
Note: Verify your exact thread type and flange specification before replacement. This part is intended for spa and hot tub pump unions and should be used with compatible fittings.
FAQ
Q: What is the Magic Plastics 0121109020 split nut used for?
A: A 2-inch spa pump union split nut with FBT threads and small flange, enabling secure, service-friendly connections.
Q: Which configurations does this part support?
A: Fits 2-inch to 2-3/4-inch plumbing connections on both ends with female buttress threads and small flanges.
Recently viewed products
Product quick view
Product
Added to cart