KingRVer Summit XT 65,000 BTU vs Suburban SW6D (5238A)

Last updated: November 4, 2026

The KingRVer Summit XT 65,000 BTU rates 3.5 among tankless RV water heaters; the Suburban SW6D (5238A) rates 3.1 among tank ones. The KingRVer Summit XT 65,000 BTU costs $40 less ($399.99 vs $439.99).

Prices were last checked November 4, 2026. Product prices and availability are accurate as of that date and are subject to change; the price and availability shown on Amazon or the retailer's site at the time of purchase apply. As an Amazon Associate we earn from qualifying purchases.

KingRVer Summit XT 65,000 BTU vs Suburban SW6D (5238A)

Scores side by side

These two sit in different type classes (tankless and tank), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.

Factor weightKingRVer Summit XT 65,000 BTUSuburban SW6D (5238A)
Overall rating3.5/53.1/5
Value 40%60 $6.15 per 1,000 BTU ($399.99, 65,000 BTU)40 $73.33 per gallon of tank ($439.99, 6 gal)
Hot water output 35%95 up to 3.8 GPM51 10.1 gal/h recovery on gas
Warranty 25%0 warranty not published, scored as none50 2-year warranty

Specifications

KingRVer Summit XT 65,000 BTUSuburban SW6D (5238A)
Heat and water
Input capacity65,000 BTU12,000 BTU
Tank size-6 gal
Gas recovery-10.1 gal/h
Maximum flow3.8 GPM-
FuelPropanePropane
Fit
Weight20.1 lb34 lb
Warranty
Warranty-2 years

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