Suburban SAW6DE (5321A)

Last updated: November 4, 2026

Suburban SAW6DE (5321A)
2.7/5#19 of 21 in tank RV water heaters
2.7

A 6-gallon steel tank heater that runs on propane and electric for a straight swap in an RV with the matching cutout.

  • 10,000 BTUInput
  • 6 galTank
  • Propane + electricFuel
Check price at Amazon$613.51

Price checked November 4, 2026. As an Amazon Associate we earn from qualifying purchases.

Pros
  • Porcelain-lined steel tank with a replaceable anode rod that doubles as the drain
  • Can heat on campsite or generator power as well as propane
  • Direct-fit steel tank for replacing 6-gallon aluminum heaters without sidewall changes
Cons
  • No warranty term published on the listing
  • Heavy at 41.0 lb for a steel tank
  • Over $600 before a door

The Suburban SAW6D family

Every Suburban SAW6D model we rank, smallest first. Ratings compare each against its own type.

ModelInputRatingPrice
Suburban SAW6D (5320A)10,000 BTU2.9/5$554.17
Suburban SAW6DE (5321A) (this one)10,000 BTU2.7/5$613.51
Suburban SAW6DEL (5322A)10,000 BTU2.7/5$624.18

How it scores

The rating comes from 3 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.

Specifications

Model number5321A
Heat and water
Input capacity10,000 BTU
Tank size6 gal
Gas recovery14.1 gal/h
FuelPropane + electric
Fit
Weight41 lb

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