Suburban ST-60
#12 in TanklessFull review
A tankless heater rated 60,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $456.75$456.75
2.6/5
A tankless heater rated 42,000 BTU for endless hot water in an RV that has the cutout for it.
- 42,000 BTUInput
- PropaneFuel
Check price at Amazon$404.99
Price checked November 4, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Heats on demand, so the hot water does not run out mid-shower
- Established RV brand with parts and service in the trade
Cons
- No published flow rate
- No warranty term published on the listing
The Suburban ST tankless family
Every Suburban ST tankless model we rank, smallest first. Ratings compare each against its own type.
| Model | Input | Rating | Price |
|---|---|---|---|
| Suburban ST-42 (5481A) (this one) | 42,000 BTU | 2.6/5 | $404.99 |
| Suburban ST-60 | 60,000 BTU | 2.8/5 | $456.75 |
How it scores
The rating comes from 3 measured or published factors, each scored 0-100 against fixed reference points for its type. How we rank explains each one.
Specifications
| Model number | 5481A |
|---|---|
| Heat and water | |
| Input capacity | 42,000 BTU |
| Fuel | Propane |
| Fit | |
| Weight | 21 lb |
Alternatives in this type
RecPro 18 in 60,000 BTU Tankless
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A tankless heater rated 60,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $499.95$499.95
Fogatti InstaShower 8 Plus (FS08B1SBD)
#15 in TanklessFull review
A tankless heater rated 55,000 BTU for endless hot water in an RV that has the cutout for it.
Amazon $519.99$519.99
Compare
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