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The Waterbed Doctor

*(Lower Contiguous 48 States)


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Land and Sky LogoNC 5500 Replacement Bladder for Deep Fill Soft Side Waterbed Mattresses
NC5500TWD - Alternative Replacement for Land and Sky NC5500 Soft-Side Water Chamber

The NC5500TWD is a replacement water chamber (mattress) for the New Century line of soft side waterbed mattresses. These are premium soft side waterbeds including the Serena, Spiritus, Dreamscape, Celeste, Legacy, Whisper, and Gallery Nightflight.

Land and Sky is no longer producing waterbed products. We are pleased that they have chosen The Waterbed Doctor as the Authorized Provider of Alternative Replacement Products.


  • Contoured Surface: Cradles every curve and reduces pressure for comfortable sleep and promotes "Stand Tall Sleep Tall" posture.
  • Permaflex Heater-Compatible Safety Bottom: Eliminates stress from the Temperature Control Unit for longer mattress life.
  • Triple Strength Corners: Features premium, triple laminated vinyl for durability and perfect frame fit.
  • 10 Year Warranty

The NC5500TWD Replacement Bladder for New Century Soft Side Waterbed Mattresses is available in the following sizes (Choose One):

Foam Cavity Measurements (where water mattress lays)
Eastern King 65" Wide 69" Long 7" Deep
California King 61" Wide 73" Long 7" Deep
Queen 50" Wide 69" Long 7" Deep

It is recommended that you also add conditioner every year.


NC 5500 Replacement Chamber
NC 5500TWD Chamber - by The Waterbed Doctor
IN STOCK WATERBED DOCTOR BRAND ALTERNATIVE TO NC 5500 Chamber. This is a 7-Layer Fiber design with lumbar support

*Includes FAST FREE SHIPPING and Extended 20 Year Warranty.*

Size of Mattress:
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New Century - Symphony Safety Liner
Fitted Safety Liner for Land & Sky New Century Softside Waterbeds
Add To Cart