Chamber Comparison
Macy-Pan ST1700vsSummit to Sea Shallow Dive
Macy-Pan
ST1700
1.5
ATA
$12K
Starting
1yr
Warranty
Summit to Sea
Shallow Dive
1.3
ATA
$8K
Starting
2yr
Warranty
The Bottom Line
The Macy-Pan ST1700 wins on max pressure, while the Summit to Sea Shallow Dive takes the edge in price, fda clearance, and warranty. If price matters most, the Summit to Sea Shallow Dive is the better choice.
Key Differences
Macy-Pan
1.5 ATA
Summit to Sea
1.3 ATA
Higher pressure enables more clinical protocols. The Macy-Pan ST1700 reaches 1.5 ATA, which covers most wellness applications.
Macy-Pan
$11,600 - $14,000
Summit to Sea
$5,000 - $8,000
A significant price gap of ~31%. Consider whether the higher-priced unit's additional features justify the investment for your use case.
Macy-Pan
Not FDA Cleared
Summit to Sea
FDA Cleared
FDA clearance matters if you need insurance reimbursement, plan to operate a clinical facility, or want the highest safety assurance. For home wellness use, it's less critical.
Macy-Pan
1 year
Summit to Sea
2 years
A longer warranty reduces long-term ownership risk, especially important for chambers in the $10K+ range.
Who Should Buy Which?
Best for
Summit to Sea Shallow Dive
Budget buyers, first-time users, compact spaces
View full details →Full Specification Comparison
| Specification | Macy-Pan ST1700 | Summit to Sea Shallow Dive |
|---|---|---|
| Chamber Type | Soft-Shell | Soft-Shell |
| Performance Tier | Entry Wellness | Entry Wellness |
| Max Pressure | 1.5 ATA★ | 1.3 ATA |
| Oxygen Delivery | ambient-air | ambient-air |
| O₂ Concentration | 21% (ambient); optional concentrator | 21% (ambient); optional concentrator |
| Capacity | 1-person | 1-person |
| Weight | 37.5 lbs | — |
| Interior Dimensions | Sitting/vertical design | 26in diameter |
| Portability | semi-portable | portable |
| FDA Cleared | No | Yes (#K072757)★ |
| CE Marked | Yes★ | No |
| Made In | China | United States |
| Price | $11,600 - $14,000 | $5,000 - $8,000★ |
| Warranty | 1 year | 2 years★ |
| Clinical Score | 4/10 | 4/10 |
| Brand Established | 2007 | 2007 |
| Climate Control | No | No |
| Communication System | No | No |
| Emergency Features | Pressure relief valve, dual zipper system | Dual zipper safety system |
Macy-Pan ST1700 — Standout Features
Summit to Sea Shallow Dive — Standout Features
Interested in either chamber?
Request quotes from both manufacturers and compare real pricing.
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