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
The KingRVer 10 Gallon Replacement is the better RV water heater overall, rated 3.0 to 2.7. The KingRVer 10 Gallon Replacement leads on value. The KingRVer 10 Gallon Replacement costs $23.52 less ($589.99 vs $613.51).
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 SAW6DE (5321A)
#19 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 $613.51$613.51
Which should you buy?
- Choose the KingRVer 10 Gallon Replacement for value ($59 per gallon of tank ($589.99, 10 gal) vs $102.25 per gallon of tank ($613.51, 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 Replacement | Suburban SAW6DE (5321A) |
|---|---|---|
| Overall rating | 3.0/5 | 2.7/5 |
| Value 40% | 62 $59 per gallon of tank ($589.99, 10 gal) | 7 $102.25 per gallon of tank ($613.51, 6 gal) |
| Hot water output 35% | 50 recovery rate not published (neutral score used) | 91 14.1 gal/h recovery on gas |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| KingRVer 10 Gallon Replacement | Suburban SAW6DE (5321A) | |
|---|---|---|
| Heat and water | ||
| Input capacity | - | 10,000 BTU |
| Tank size | 10 gal | 6 gal |
| Gas recovery | - | 14.1 gal/h |
| Fuel | Propane + electric | Propane + electric |
| Fit | ||
| Weight | - | 41 lb |