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Waterway Weir, Gray, Dual Port, 100/200 Sq Ft
MSRP: $93.95$83.95 -
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Rainbow / Pentair Dynamic RTL, RCF Chemical Dispenser
Was: $86.12Now: $79.95 -
Rainbow / Pentair Screw For Lock Spring Lever -
Was: $5.62Now: $4.50 -
Filter Sealing O-Ring- In Stock
Was: $12.45Now: $9.95 -
Waterway Top Load Filter Pressure Top, 511-1000
Was: $43.89Now: $36.95 -
Rainbow/Pentair Filter Pressure Top, RTL & RCF, R172385
Was: $41.77Now: $34.95 -
Waterway Filter Lock Ring Assembly, Top Load Filter, 500-1000
Was: $19.46Now: $16.95 -
SpaShopper
Weir Door, Gulf Coast Spas LX Series, 1001, 1001B, 1001A,1002, 1003, 1004, 1005, 1006, LX5000, LX7000, LX8000, LX9000, LX11000
MSRP: $218.95$168.95 -
Waterway Top Load Filter Air Relief Valve O-Ring
Was: $7.95Now: $2.95 -
Waterway Top Load Filter Air Relief Valve, 715-1001
Was: $7.95Now: $5.95 -
Waterway Dyna-Flo XL Trim Ring, Gray, Scalloped, 519-8267
Was: $30.53Now: $24.95
Filter Parts
Filter parts are the individual replacement components that keep your hot tub or spa's filtration system sealed, flowing, and functioning at peak performance. These essential pieces support both suction-style (skimmer-based) and pressure-style filter assemblies, as well as standalone cartridges, by addressing common wear items and maintenance needs.
This category features a comprehensive selection of high-quality filter parts compatible with leading spa brands including Waterway, Pentair/Rainbow, Jacuzzi, Sundance, Balboa, and many others. Popular items include O-rings and gaskets for airtight seals, filter lids and tops (with or without handles/cup holders), lock rings and retaining rings, skimmer baskets and weir doors, diverter/bypass plates, VGB-compliant suction covers and grates, pressure gauges, air bleeder valves, drain plugs, union O-rings, and tools like cartridge filter cleaners or inline pre-filters to prolong cartridge life.
Parts differ by dimensions (e.g., ID/OD for O-rings), thread type (e.g., 1-1/2" or 2" plumbing), material (rubber, silicone, Viton), mounting style, and specific spa configuration—making precise matching vital. A small mismatch can lead to leaks, air in the lines, reduced flow, pump cavitation, or contamination bypass.
Common issues with worn filter parts include leaking O-rings causing air ingestion and priming failures, cracked lids or housings allowing debris to enter the system, clogged or broken baskets/weirs reducing suction, stuck bleeder valves complicating startup, or faulty pressure gauges giving false readings. These problems often result in cloudy water, error codes, inefficient filtration, and added strain on pumps and heaters. Replacing individual filter parts is usually the fastest, most economical way to restore performance before needing a full assembly or cartridge swap.
To select the correct part:
- Reference your spa brand, model, year, and filter assembly type (suction or pressure).
- Measure sizes, check thread types, and note any unique features (e.g., VGB compliance, bypass ports).
- Avoid guessing—send us clear photos of the damaged part, installation location, plumbing connections, and spa label (model/serial number) for accurate identification.
Text photos to 772-800-5445 or call 844-500-4645—we'll confirm the right part before you order. SpaShopper is not affiliated with any spa manufacturer. Brand names and part numbers are used for compatibility and identification purposes only.
Browse our filter parts selection today to fix leaks, boost flow, and keep your hot tub water crystal clear with minimal downtime.