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8′ x 18′ Folding Swim Spa Cover for Master Spas


8′ x 18′ Folding Swim Spa Cover for H2X Trainer 18 and MP Signature

The Master Spa Parts 8′ x 18′ cover (94″ x 215″) Master Spas? swim spa replacement cover is a Master Spa Factory OEM replacement part. All swim spa covers are made specifically to fit your Master Spas swim spa and come 6″ thick in the middle and taper off to 4″. This cover includes energy-efficient 1.5 lb foam density and a 24 R-value, with a full-length heat seal and upgraded rubber grip handles (included!). They are also available in 8 different colors to match the aesthetic of your hot tub area.

This 8′ x 18′ (94″ x 215″) Master Spa Factory OEM swim spa replacement cover is made of energy-efficient six-inch foam insulation that tapers down to four inches along the sides, and has a 1.5lb foam density – all of which helps prevent a lot of heat loss from your swim spa! It is made of high-end marine-grade vinyl that helps to prevent mildew, UV ray damage, and more.

Additional replacement cover highlights include:

  • EPS Foam Cores With Taper – As stated above, the 18×8 replacement swim spa cover has a 6″ foam insulation that tapers to 4″. Additionally, it has a 1.5lb foam density, which helps to prevent moisture from seeping into your replacement swim spa cover.
  • Full-Length Heat Seal – The full-length heat seal helps to securely keep in a lot of your swim spa heat – as it prevents the heat from escaping. On the outside of the heat seal is a 12 oz. chemically resistant vinyl scrim.
  • Three-Panel Skirt Design – The three-panel skirt design around your swim spa cover helps to keep in the heat. Additionally, it happens to prevent other outside elements and dirt from getting into your swim spa.
  • Two rubber grip handles (upgraded) – There are two rubber grip handles that are updated from your typical standard overhandle. They help you to easily lift up your swim spa cover and move it around (and not to mention, give you a good grip!)
  • Four Release/Lock Hardware Connections – With the four release/lock hardware connectors found on this swim spa, it makes s you have built-in locking straps to keep your swim spa cover safe and secure.
  • Galvanized Steel Brackets – This galvanized steel bracket feature is extremely secure as it makes your swim spa cover stronger than ever.
  • Bottom Vinyl – The bottom vinyl located on the bottom of your replacement cover is extremely reinforced (as it has an 11 oz. reinforced weft.) Additionally – it is mildew-treated.
  • Double Stitched- This double stitching adds 27 points of strength and structural reinforcements at all the stress points on your cover – providing years of use.
  • Compliance with ASTM Standards for Safety Covers
  • 8 Color Options – This 18′ x 8′ replacement swim spa cover is available in 8 colors, all of which are shown in the swatches below.

Fits Models:

H2X Swim Spas 2013, 2014, 2015, 2017, 2018, 2019, 2020, 2022 Trainer 18, Trainer 18 D, Challenger 18D, Challenger 18D Pro
Michael Phelps Swim Spas 2014, 2015, 2018, 2019, 2020, 2022, 2023 Signature S, Signature

Delivery + Shipping Information:

The 8′ x 18′ Swim Spa covers take 6-8 weeks for delivery. Domestic shipping is free. We apologize to all international customers as we are unfortunately unable to ship internationally.

All of our covers are shipped via FedEx freight, and you will need to sign for delivery. Please provide a valid phone number for the order. We request that you inspect the cover for any damages and if the cover shows any signs of damage, please refuse delivery. Also, please be aware that these covers ship in a large wooden crate, so more than one person will be needed to accept and move the item.

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