KingRVer 10 Gallon Gas/Electric
#14 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 $599.99$599.99
The KingRVer 10 Gallon Gas/Electric rates 3.0 among tank RV water heaters; the Girard 2GWHAM 42,000 BTU rates 2.3 among tankless ones.
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 Gas/Electric | Girard 2GWHAM 42,000 BTU |
|---|---|---|
| Overall rating | 3.0/5 | 2.3/5 |
| Value 40% | 60 $60 per gallon of tank ($599.99, 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 Gas/Electric | 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 |