Ranein RA65LH 65,000 BTU
#5 in TanklessFull review
A tankless heater rated 65,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $449$449
The Ranein RA65LH 65,000 BTU rates 3.5 among tankless RV water heaters; the KingRVer 6 Gallon Propane DSI rates 2.8 among tank ones. The KingRVer 6 Gallon Propane DSI costs $49.01 less ($399.99 vs $449).
Prices were last checked November 11, 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 6 Gallon Propane DSI
#17 in TankFull review
A 6-gallon steel tank heater on propane for a straight swap in an RV with the matching cutout.
Amazon $399.99$399.99
Scores side by side
These two sit in different type classes (tankless and tank), 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 | Ranein RA65LH 65,000 BTU | KingRVer 6 Gallon Propane DSI |
|---|---|---|
| Overall rating | 3.5/5 | 2.8/5 |
| Value 40% | 53 $6.91 per 1,000 BTU ($449, 65,000 BTU) | 50 $66.67 per gallon of tank ($399.99, 6 gal) |
| Hot water output 35% | 100 up to 3.9 GPM | 50 recovery rate not published (neutral score used) |
| Warranty 25% | 0 warranty not published, scored as none | 0 warranty not published, scored as none |
Specifications
| Ranein RA65LH 65,000 BTU | KingRVer 6 Gallon Propane DSI | |
|---|---|---|
| Heat and water | ||
| Input capacity | 65,000 BTU | - |
| Tank size | - | 6 gal |
| Maximum flow | 3.9 GPM | - |
| Fuel | Propane | Propane |
| Fit | ||
| Weight | 15.5 lb | 36.2 lb |