KingRVer 10 Gallon Replacement
#13 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 rates 3.0 among tank RV water heaters; the Girard 2GWHAM 42,000 BTU rates 2.3 among tankless ones. The KingRVer 10 Gallon Replacement costs $9.96 less ($589.99 vs $599.95).
Prices were last checked November 9, 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.
Girard 2GWHAM 42,000 BTU
#18 in TanklessFull review
A tankless heater rated 42,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $599.95$599.95
Scores side by side
These two sit in different type classes (tank and tankless), and each is scored against the reference points for its own class, so a rating says how well each does among its own type peers. How we rank explains each factor.
| Factor weight | KingRVer 10 Gallon Replacement | Girard 2GWHAM 42,000 BTU |
|---|---|---|
| Overall rating | 3.0/5 | 2.3/5 |
| Value 40% | 62 $59 per gallon of tank ($589.99, 10 gal) | 13 $14.28 per 1,000 BTU ($599.95, 42,000 BTU) |
| Hot water output 35% | 50 recovery rate not published (neutral score used) | 50 maximum flow not published (neutral score used) |
| Warranty 25% | 0 warranty not published, scored as none | 0 1-year warranty |
Specifications
| KingRVer 10 Gallon Replacement | Girard 2GWHAM 42,000 BTU | |
|---|---|---|
| Heat and water | ||
| Input capacity | 12,000 BTU | 42,000 BTU |
| Tank size | 10 gal | - |
| Fuel | Propane + electric | Propane |
| 12 V amp draw | - | 3 A |
| Fit | ||
| Weight | - | 23 lb |
| Warranty | ||
| Warranty | - | 1 year |