Chamber Comparison
Newtowne Walk-InvsSummit to Sea Grand Dive
Newtowne
Walk-In
1.3
ATA
$15K
Starting
2yr
Warranty
Summit to Sea
Grand Dive
1.3
ATA
$14K
Starting
2yr
Warranty
The Bottom Line
The Newtowne Walk-In wins on clinical credibility, while the Summit to Sea Grand Dive takes the edge in price and weight. If price matters most, the Summit to Sea Grand Dive is the better choice.
Key Differences
Newtowne
$15,000 - $22,000
Summit to Sea
$17,995
A ~7% price difference. At this range, the decision likely comes down to features and certifications rather than cost alone.
Newtowne
5/10
Summit to Sea
4/10
This score reflects published studies, certifications, and clinical adoption. Higher scores indicate stronger evidence backing the manufacturer's claims.
Newtowne
200 lbs
Summit to Sea
50 lbs
Weight matters for portability and installation. Lighter chambers are easier to move between rooms or take to a second location.
Who Should Buy Which?
Best for
Newtowne Walk-In
Wheelchair users, ADA compliance, clinics, rehab centers, multi-user therapy
View full details →Best for
Summit to Sea Grand Dive
Families, clinics, multi-person use, spacious interior
View full details →Full Specification Comparison
| Specification | Newtowne Walk-In | Summit to Sea Grand Dive |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Advanced Wellness | Advanced Wellness |
| Max Pressure | 1.3 ATA | 1.3 ATA |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient) | 21% (ambient); optional concentrator |
| Capacity | 2+ person | 2-3 person |
| Weight | 200 lbs | 50 lbs★ |
| Interior Dimensions | 60in diameter x 96in length (wheelchair accessible) | 40in diameter |
| Portability | stationary | semi-portable |
| FDA Cleared | Yes (#K051759) | Yes (#K072757) |
| CE Marked | No | No |
| Made In | United States | United States |
| Price | $15,000 - $22,000★ | $17,995 |
| Warranty | 2 years | 2 years |
| Clinical Score | 5/10★ | 4/10 |
| Brand Established | 2001 | 2007 |
| Climate Control | No | No |
| Communication System | No | No |
| Emergency Features | Walk-in entry, dual zipper safety, pressure relief valve, interior/exterior controls | Dual zipper safety system, pressure relief valve |
Newtowne Walk-In — Standout Features
Summit to Sea Grand Dive — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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