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Call 1-888-946-8882
Find the right Master Spa parts fast. We carry OEM hot tub parts and swim spa parts for Twilight Series, Legend, Clarity, Healthy Living, Getaway, H2X and Michael Phelps models, from filters, EcoPur Charge cartridges and filter lids to topside control panels, heaters, pumps, jets and plumbing, plus spa chemicals, hot tub covers, swim spa covers and cover lifters. Most in-stock orders placed before 3 PM ET on a business day ship the same day, and orders over $99 ship free in the contiguous U.S. Not sure what fits? Send us your serial number and we'll confirm the part before you order.
Where most of our customers start: filters, covers and spa chemicals.
Filter sets & EcoPur Charge
Our #1 category: genuine Master Spas filter sets, single cartridges and EcoPur Charge.
Built to Master Spas spec
OEM replacement covers for Master Spas and Getaway hot tubs, standard and triangle sizes up to 10 ft.
H2X & Michael Phelps
OEM covers for H2X and Michael Phelps swim spas from 11 ft to 21 ft.
Sanitizer, shock, pH & test strips
Sanitizers, shock, balancers and clarifiers from Frog, Leisure Time, HT and Master Clear.
Genuine Master Spas filter sets, EcoPur Charge cartridges and swim spa filters, plus filter lids, housings and weir parts. Match your series and year, and replace pleated filters at least once a year.
Filter sets & EcoPur Charge
OEM filter sets and single cartridges for Master Spas hot tubs and swim spas.
H2X & Michael Phelps sets
Filter sets for H2X and Michael Phelps swim spas (PWW50P3, PMA-R4, EcoPur).
For 2025 and newer spas
New-style X268560, X268566 and X268568 filters for 2025 and newer spas.
PMA-EPR mineral cartridges
EcoPur mineral cartridges (PMA-EPR), standard on Master Spas since 2017.
Also called filter covers
Twilight, Legend and Down East filter lids and pillow lids.
Weir doors, filter weirs & frames
Weir filter assemblies, skimmer front plates and 9-inch Twilight waterfall lids.
Housings, skimmers & baskets
Teleweir skimmers, baskets, filter housings and weir covers.
Hot tub and swim spa covers built to the original Master Spas spec, Axis roll-up covers, cover lifters and lifter parts. Covers are made to order and normally arrive in 2–6 weeks.
Built to Master Spas spec
OEM replacement covers for Master Spas and Getaway hot tubs, standard and triangle sizes up to 10 ft.
H2X & Michael Phelps
OEM covers for H2X and Michael Phelps swim spas from 11 ft to 21 ft.
Roll-up swim spa cover
The rolling Axis cover system for H2X Trainer, Therapool and MP swim spas.
Hot tub & swim spa lifters
Cover Valet, Master Lift and Integrated 360 lifters for hot tubs and swim spas.
Shocks, arms & brackets
Replacement shocks, piston arms and brackets for Cover Valet, CoverMate and Core Lift.
Locks, keys & Axis lever
Spa cover lock sets with keys and screws, plus the Axis cover lever.
Topside control panels, overlays, control packs, circuit boards, lighting, speakers, transformers and fuses for Master Spas hot tubs and swim spas. Unsure which one you need? Send us a photo of the old part.
Spa control panels
Plug-and-play OEM topsides, incl. the ST Mini X310341 and X310342.
Topside overlay stickers
Replacement topside overlays for Twilight, Clarity, Legend and swim spa panels.
Spa packs & control boxes
Balboa and Gecko control packs, incl. the MS 50U and MS 90U.
Control boards for spa packs
Factory Balboa boards (MS50U, VS100, MS1600) that match your pack.
LED lights & light controls
LED controllers, light heads, harnesses, lenses and bulbs.
Spa speakers & stereo parts
Marine and shell speakers, stereos, power supplies and remotes.
120V & 240V, plus fuses
Balboa 120V and 240V transformers and replacement fuses.
Spa chemicals, start-up kits, sanitizers, Master Clear salt-system supplies, cleaners and test strips to keep hot tub and swim spa water clear. Use spa chemicals only, never pool chemicals, and test the water 1–2 times a week.
Sanitizer, shock, pH & test strips
Sanitizers, shock, balancers and clarifiers from Frog, Leisure Time, HT and Master Clear.
Everything for a fresh fill
Master Spas, Leisure Time and HT chemical start-up kits for a fresh fill.
Chlorine granules & shock
Chlorinating granules and oxidizing shock: Spa 56, Renew and HT.
Salt cell & Master Clear care
Master Clear salt cells, oxidizer shock and salt-system chemicals.
Filter & jet-line cleaners
Filter and jet-line cleaners from HT and Leisure Time, plus 303 protectants.
Chlorine & bromine strips
AquaChek, Leisure Time and Insta 4 Plus strips for chlorine and bromine.
Clear up cloudy water
Clear up cloudy water: Bright & Clear, Defender and Natural & Clear.
Increasers & decreasers
pH and alkalinity increasers and decreasers from HT and Leisure Time.
Head pillows and headrests, spa accessories, steps, handrails and aromatherapy to keep your Master Spa comfortable and easy to step into.
Head pillows for every series
OEM headrests incl. Twilight Flex X540764 and Genesys X540765.
Tables, seats, vacuums & more
Spa-side tables, booster seats, vacuums, cover stands and more.
Hot tub & swim spa steps
Classic hot tub steps, a storage step and a 4-tier swim spa step.
Safer entry & exit
Cover Valet spa-side and Spa Escort handrails for safer entry.
Spa scents
inSPAration and Hydro Therapies spa fragrances.
Jet and circulation pumps, heaters and heating elements, ozonators, sensors and pump O-rings for Master Spas. Water leaking where the heater connects is often fixed with new heater split nuts and gasket O-rings.
Jet & circulation pumps
1-speed, 2-speed and circulation pumps with warranty included.
Incl. the X320581
Circulation pumps, incl. the X320581 best seller.
Assemblies, elements & gaskets
4.0kW and 5.5kW heater assemblies plus elements, sensors and straps.
4.0 & 5.5 kW elements
4.0kW and 5.5kW elements, standard and titanium-coated.
Ozone generators & injectors
Ultrazone and auto-sensing ozonators, injectors, check valves and hose.
Sensors & pressure switches
Temp/high-limit sensors, pressure switches and sensor mounts.
Unions, O-rings & drain plugs
Heater gasket O-ring X801765, pump union O-rings and drain plug kit.
Heat or cool your water
CLIM8ZONE heat pump and portable chiller to heat or cool your water.
Replacement spa jets and jet parts, diverter valves, air controls and waterfalls, plus fittings, manifolds, valves, hoses and suction covers to fix leaks and replace worn plumbing on Master Spas hot tubs and swim spas.
Replacement jets by style
Jets for every model, size and style, incl. Master Massage and EFX.
Jet bodies, gaskets & O-rings
Jet bodies, gaskets and Twilight EFX 3.6-inch jets.
Diverters, caps & handles
EFX light-ring and DSG diverters, caps, handles and rotors.
Air control valves & knobs
Air controls and knobs, incl. the DSG EFX light-ring X232608.
Waterfall parts & lids
LED, laminar and Aqua Fontaine waterfalls and snap lids.
Unions, split nuts & couplings
Pump unions, barb couplers, heater split nuts and PVC fittings.
4-barb & 6-barb manifolds
2-inch 4-barb and 6-barb manifolds for jet lines.
Ozone & inline check valves
Ozone check valves and 3/8-inch to 2-inch inline check valves.
1.5 & 2-inch shut-off valves
1.5-inch and 2-inch gate valves for service shut-off.
Flex hose & tubing
2-inch white flex hose and clear tubing, sold by the foot.
Suction covers & fittings
VGB suction fittings, DSG suctions and 5-inch suction covers.
Parts for H2X and Michael Phelps swim spas, from propulsion motors, belts and props to swim spa pumps and SoftTread flooring. Swim spas use three to seven filter cartridges, depending on the model.
Propulsion & H2X parts
Propulsion motors, belts, props, bearing kits and H2X parts.
Non-slip swim spa floor
Non-slip SoftTread floor kits for H2X, Therapool and MP swim spas.
1-speed & 2-speed pumps
1-speed and 2-speed swim spa pumps, incl. the X320558.
Screws, split nuts, skirt clips and cabinet hardware, plus parts marked No Longer Available. Master Spas often replaces discontinued parts with updated part numbers; send us the old part number and we’ll tell you the current replacement if one exists.
Screws, nuts & clamps
Heater split-nut sets, thumbscrews, screws and fasteners.
Skirt clips, snap caps & screws
Skirt corner thumbscrews, J-channel and cabinet screws.
Discontinued parts & replacements
Discontinued parts with pointers to current replacements.
Start with your spa's model and year, or its serial number. Use the Part Finder at the top of the page, or match the part number on your old part or in your owner's manual. Still not sure? Send us your serial number and a photo of the old part and we'll confirm the fit before you order.
Full answer in our FAQIt depends on your series, model and year, because Master Spas has changed its filters several times. The Master Spas filter guide lists the right set for every series and year, or shop hot tub filters and swim spa filters. Replace the EcoPur Charge every 6 months and pleated filters at least once a year.
Full answer in our FAQMost in-stock orders placed before 3 PM ET on a business day ship the same day. Orders over $99 ship free within the contiguous U.S. Some parts ship from Master Spas or another manufacturer and can take 7–12 business days, and covers are made to order, normally 2–6 weeks.
Full answer in our FAQUnused parts in their original packaging can be returned; some items, including covers, cover lifters and filters that have gotten wet, can't be. Ask us to confirm the fit before you order. Full terms are in our refund policy.
Full answer in our FAQYes. Most parts bought from us carry a 1-year warranty against manufacturer defects, and some parts have shorter coverage or none. Our MSPO Warranty page lists the coverage for each type of part.
Full answer in our FAQOften, yes. Master Spas regularly replaces discontinued parts with updated part numbers. Send us your spa's year and model or serial number, plus the old part number if you have it, and we'll tell you the current replacement if one exists.
Full answer in our FAQ