Suburban SW12DE (5247A)
#2 in TankFull review
A 12-gallon steel tank heater that runs on propane and electric for a straight swap in an RV with the matching cutout.
Amazon $690.92$690.92
3.4/5
A 10-gallon steel tank heater that runs on propane and electric for a straight swap in an RV with the matching cutout.
- 12,000 BTUInput
- 10 galTank
- Propane + electricFuel
Check price at Amazon$594.99
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
- 10 gallons stores enough for back-to-back showers
Cons
- Heavy at 46.0 lb for a steel tank
The Suburban SW family
Every Suburban SW model we rank, smallest first. Ratings compare each against its own type.
| Model | Input | Rating | Price |
|---|---|---|---|
| Suburban SW6D (5238A) | 12,000 BTU | 3.1/5 | $439.99 |
| Suburban SW6DE (5239A) | 12,000 BTU | 2.9/5 | $499.99 |
| Suburban SW6DEL (5240A) | 12,000 BTU | 3.0/5 | $479.99 |
| Suburban SW10D (5242A) | 12,000 BTU | 3.4/5 | $591.09 |
| Suburban SW10DE (5243A) (this one) | 12,000 BTU | 3.4/5 | $594.99 |
| Suburban SW10DEL (5244A) | 12,000 BTU | 3.3/5 | $639.99 |
| Suburban SW12DE (5247A) | 12,000 BTU | 3.5/5 | $690.92 |
| Suburban SW12DEL (5248A) | 12,000 BTU | 3.5/5 | $669.90 |
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 number | 5243A |
|---|---|
| Heat and water | |
| Input capacity | 12,000 BTU |
| Tank size | 10 gal |
| Gas recovery | 10.1 gal/h |
| Fuel | Propane + electric |
| Fit | |
| Weight | 46 lb |
| Warranty | |
| Warranty | 2 years |
Alternatives in this type
Suburban SW10D (5242A)
#3 in TankFull review
A 10-gallon steel tank heater on propane for a straight swap in an RV with the matching cutout.
Amazon $591.09$591.09
Suburban SW10DEL (5244A)
#5 in TankFull review
A 10-gallon steel tank heater that runs on propane and electric for a straight swap in an RV with the matching cutout.
Amazon $639.99$639.99
Compare
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