-
PVC Cement, Hot Medium Blue Fast Setting 8oz
MSRP: $21.99$16.99 -
2 inch Heater Tailpiece, Reducing, 1.5 S X 2.0 spg
MSRP: $11.95$8.85 -
Aqua-Flo Drain Plug Barbed Adapter, New Style, 92290101
MSRP: $14.95$11.99 -
Threaded Barbed Adapter 3/8" Barb x 1/4" Mpt , 672-4350
Was: $8.46Now: $6.95 -
Threaded PVC Plug 1.5" Mpt
Was: $5.65Now: $3.95 -
PVC Reducing Bushing, 1/2" Mpt X 1/8" Fpt, 439-071
Was: $6.12Now: $3.95 -
PVC Reducer, 1-1/2" Spigot x 3/4" FPT, 438-210
Was: $7.12Now: $3.95 -
PVC Adapter, 1-1/2" sl X 1-1/2" MPT, 436-015
Was: $3.69Now: $2.99 -
Female Threaded Adapter 1.5" Sl X 1.5" Fpt
Was: $3.69Now: $2.95 -
2" Buttress Htr Tailpiece, Reducing, 1.5" Sl or 2" Spg
Was: $8.34Now: $6.95 -
Waterway PVC Adapter Tee Fitting w/ Air Relief Valve Tap, 2" Sl x 2" Spg x 1/2" FPT, 413-2140
Was: $19.37Now: $16.95 -
Waterway PVC Adapter Tee Fitting w/ Air Relief Valve, 2" Sl x 2" Spg x 3/8" FPT, 400-4260
Was: $18.37Now: $15.95
Threaded Fittings and Adapters
Threaded fittings and adapters are PVC connectors with male (MPT) or female (FPT) threads for screw-on, removable connections in hot tub and spa plumbing. These include threaded elbows (90°/45°), tees, nipples (short threaded extensions), bushings/reducers (threaded size changes), caps (threaded end seals), unions (threaded for easy disassembly), and adapters (MPT to slip, FPT to barbed)—ideal for unions, valves, pumps, heaters, jets, or drain lines where frequent access or secure pressure-tight joints are required.
This category offers threaded fittings and adapters compatible with major brands: Sundance (union/threaded connections), Jacuzzi (J-series threaded lines), Hot Spring/Watkins (No-Fault threaded fittings), Balboa (universal threaded adapters), HydroQuip, Dimension One, Caldera, and universal fits. Common sizes: 1", 1-1/2", 2" (MPT/FPT threads), Schedule 40 or 80 PVC, with options for high-flow threaded unions or reducing bushings.
Threaded fittings and adapters vary by size (1" to 2"), type (elbow, tee, nipple, bushing, union, cap), thread style (MPT male, FPT female), schedule (40 standard, 80 heavy-duty), and spa-specific compatibility—precise matching ensures leak-free threaded joints, easy disassembly, and secure plumbing.
Common problems include leaks from loose or cross-threaded fittings, stripped threads from over-tightening, restricted flow from undersized reducers, air leaks from poor sealing on threaded unions, or brittle fittings from age/UV exposure. Replacing threaded fittings and adapters is simple—unscrew old, apply thread sealant/tape if needed, and screw on new—for reliable, serviceable plumbing.
To select the right threaded fitting or adapter:
- Identify your spa brand/model, year, pipe size (1", 1-1/2", 2"), fitting type/location (threaded union, elbow turn, reducer bushing, cap seal), thread type (MPT/FPT), and any markings on existing fittings.
- Note symptoms (leaks at threaded joints, loose fittings, stripped threads), or visible damage (cracks, worn threads).
- Avoid guessing—send us clear photos of the threaded area (showing fitting type, thread size/style, connection points, and spa label with model/serial number) for expert verification.
**Text or send photos to: 772-800-5445**
**Or call us at: 844-500-4645**
We'll confirm compatibility before you order.
SpaShopper is not affiliated with any spa manufacturer. Brand names and part numbers are used for compatibility and identification purposes only.
Shop our threaded fittings and adapters today to create secure screw-on connections, fix leaks or loose joints, and keep your hot tub plumbing reliable and easy to service.