Suburban SW10DE (5243A)
#4 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 $594.99$594.99
The Suburban SW10DE (5243A) is the better RV water heater overall, rated 3.4 to 3.0. The KingRVer 10 Gallon Replacement costs $5 less ($589.99 vs $594.99).
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 10 Gallon Replacement
#10 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 $589.99$589.99
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every tank RV water heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Suburban SW10DE (5243A) | KingRVer 10 Gallon Replacement |
|---|---|---|
| Overall rating | 3.4/5 | 3.0/5 |
| Value 40% | 61 $59.50 per gallon of tank ($594.99, 10 gal) | 62 $59 per gallon of tank ($589.99, 10 gal) |
| Hot water output 35% | 51 10.1 gal/h recovery on gas | 50 recovery rate not published (neutral score used) |
| Warranty 25% | 50 2-year warranty | 0 warranty not published, scored as none |
Specifications
| Suburban SW10DE (5243A) | KingRVer 10 Gallon Replacement | |
|---|---|---|
| Heat and water | ||
| Input capacity | 12,000 BTU | - |
| Tank size | 10 gal | 10 gal |
| Gas recovery | 10.1 gal/h | - |
| Fuel | Propane + electric | Propane + electric |
| Fit | ||
| Weight | 46 lb | - |
| Warranty | ||
| Warranty | 2 years | - |