rigsize

Jayco Precept 31UL mattress size

Years 2014–2027Sold as PreceptLength 33' 0"Sleeps 7
70 in 74 in
To scale. Dashed: a regular queen.
Main bed70 × 74 inRV king

RV mattress sellers list this size as an RV king. It's 6 in narrower and 6 in shorter than a regular king, so order exactly 70 × 74 in.

About the RV king size →

Jayco floorplan drawing, 2027.

Mattresses in 70 × 74 in

We may earn a commission when you buy through some of these links. It doesn't change which mattresses we list.

Top pick
RVMattress.com Signature Hybrid

RVMattress.comSignature Hybrid

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress Overall Read review

$1,865RV King - 70x74 · list priceSee price
Best value
RVMattress.com CopperFlex Essential

RVMattress.comCopperFlex Essential

  • All-foam
  • 6 in thick
  • five comfort options
$799RV King - 70x74 · list priceSee price
Reviewers' favorite
RVMattress.com Aurora Luxe Cooling

RVMattress.comAurora Luxe Cooling

  • Hybrid
  • 13.25 in thick
  • Soft / Medium / Firm

Sleep Foundation: Best Mattress for Temperature Regulation Read review

$2,465RV King - 70x74 · list priceSee price
Best hybrid
RVMattress.com CopperFlex RV Hybrid

RVMattress.comCopperFlex RV Hybrid

  • Hybrid
  • 10 in thick
  • Medium-Firm
$1,065RV King - 70x74 · list priceSee price
Best all-foam
RVMattress.com Plank Firm

RVMattress.comPlank Firm

  • All-foam
  • 10 in thick
  • Firm / Extra Firm

Mattress Clarity: Best RV Mattress for Heavy People Read review

$1,532RV King- 70x74 · list priceSee price
Custom size
Mattress Insider Park Meadow Encased Coil II

Mattress InsiderPark Meadow Encased Coil II

  • Hybrid
  • 8 in thick
  • cushion-firm

Sleep Foundation: Best Mattress for Pressure Relief Read review

Made to 70 × 74 inGet a quote
Bedroom in a Precept

The Precept bedroom. Measure the platform, not the old mattress, before you buy.

Bed sizes by year

YearMain bedBunksOther bedsSource
201460 × 74 in Queen––Jayco spec sheet
201560 × 74 in Queen––Jayco spec sheet
202370 × 74 in King–Dinette 38 × 70 inJayco floorplan drawing
202470 × 74 in King–Dinette 38 × 70 inJayco floorplan drawing
202570 × 74 in King–Dinette 38 × 70 inJayco floorplan drawing
202670 × 74 in King–Dinette 38 × 70 inJayco floorplan drawing
202770 × 74 in King–Dinette 38 × 70 inJayco floorplan drawing

Years not listed weren't published.

The 31UL floorplan

Jayco Precept 31UL floorplan, 2027

Jayco's 2027 31UL floorplan.

Is this your 31UL?

Check the year and length against your RV before you order.

YearModelLengthSleeps
2014Precept 31UL–4-6
2015Precept 31UL32' 3"4-7
2016Precept 31UL32' 2"4-7
2017Precept 31UL32' 2"–
2018Precept 31UL32' 11"–
2019Precept 31UL33' 0"8
2020Precept 31UL33' 0"–
2021Precept 31UL33' 0"–
2022Precept 31UL33' 0"7
2023Precept 31UL33' 0"7
2024Precept 31UL33' 0"7
2025Precept 31UL33' 0"7
2026Precept 31UL33' 0"7
2027Precept 31UL33' 0"7

Other Precept mattress sizes

34B34G36A36CAll Precept floorplans

Sources

  1. Jayco (jayco.com), archived copy: https://web.archive.org/web/20160313100652/http://www.jayco.com:80/tools/archive/2014-precept/31ul/
  2. Jayco (jayco.com), archived copy: https://web.archive.org/web/20150812092542/http://www.jayco.com:80/tools/archive/2015-precept/31ul/
  3. Jayco (jayco.com), archived copy: https://web.archive.org/web/20160812100908/http://www.jayco.com:80/tools/archive/2016-precept/31ul/
  4. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210917203548/https://www.jayco.com/rvs/class-a-motorhomes/2017-precept/31ul/
  5. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210922062734/https://www.jayco.com/rvs/class-a-motorhomes/2018-precept/31ul/
  6. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210918180359/https://www.jayco.com/rvs/class-a-motorhomes/2019-precept/31ul/
  7. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210926120927/https://www.jayco.com/rvs/class-a-motorhomes/2020-precept/31ul/
  8. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210918161824/https://www.jayco.com/rvs/class-a-motorhomes/2021-precept/31ul/
  9. Jayco (jayco.com), archived copy: https://web.archive.org/web/20210919072453/https://www.jayco.com/rvs/class-a-motorhomes/2022-precept/31ul/
  10. Jayco (jayco.com): https://www.jayco.com/rvs/class-a-motorhomes/2023-precept/31ul/

Questions

What size mattress is in the Jayco Precept 31UL?

The main bed is 70 × 74 in (Jayco floorplan drawing, 2027).