KingRVer 10 Gallon Propane/Electric
#8 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 $529.99$529.99
The KingRVer 10 Gallon Propane/Electric is the better RV water heater overall, rated 3.1 to 3.0. The KingRVer 10 Gallon Propane/Electric leads on value. The Suburban SW6DEL (5240A) costs $50 less ($479.99 vs $529.99).
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.
Suburban SW6DEL (5240A)
#9 in TankFull review
A 6-gallon steel tank heater that runs on propane and electric for a straight swap in an RV with the matching cutout.
Amazon $479.99$479.99
Which should you buy?
- Choose the KingRVer 10 Gallon Propane/Electric for value ($53 per gallon of tank ($529.99, 10 gal) vs $80 per gallon of tank ($479.99, 6 gal)).
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 | KingRVer 10 Gallon Propane/Electric | Suburban SW6DEL (5240A) |
|---|---|---|
| Overall rating | 3.1/5 | 3.0/5 |
| Value 40% | 72 $53 per gallon of tank ($529.99, 10 gal) | 31 $80 per gallon of tank ($479.99, 6 gal) |
| Hot water output 35% | 50 recovery rate not published (neutral score used) | 51 10.1 gal/h recovery on gas |
| Warranty 25% | 0 warranty not published, scored as none | 50 2-year warranty |
Specifications
| KingRVer 10 Gallon Propane/Electric | Suburban SW6DEL (5240A) | |
|---|---|---|
| Heat and water | ||
| Input capacity | 12,000 BTU | 12,000 BTU |
| Tank size | 10 gal | 6 gal |
| Gas recovery | - | 10.1 gal/h |
| Fuel | Propane + electric | Propane + electric |
| Fit | ||
| Weight | - | 36 lb |
| Warranty | ||
| Warranty | - | 2 years |