Raypak Digital 406A
Good value for in-ground pools outside low NOx areas, provided it comes from an authorized dealer so the warranty holds.
Amazon $3,984$3,984
The Raypak Digital 406A is the better gas pool heater overall, rated 4.0 to 3.5. The Raypak Digital 406A leads on value. The Jandy JXi 400 wins on efficiency. The Raypak Digital 406A costs $1,316 less ($3,984 vs $5,300).
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.
Jandy JXi 400
For a large in-ground pool on Jandy automation where a compact, light cabinet matters more than price.
Amazon $5,300$5,300
Which should you buy?
- Choose the Raypak Digital 406A for value ($9.98 per 1,000 BTU/h ($3,984, 399,000 BTU/h) vs $13.28 per 1,000 BTU/h ($5,300, 399,000 BTU/h)).
- Choose the Jandy JXi 400 for efficiency (84% thermal efficiency vs 82% thermal efficiency).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every 250,000 BTU and up gas pool heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Raypak Digital 406A | Jandy JXi 400 |
|---|---|---|
| Overall rating | 4.0/5 | 3.5/5 |
| Value 35% | 87 $9.98 per 1,000 BTU/h ($3,984, 399,000 BTU/h) | 51 $13.28 per 1,000 BTU/h ($5,300, 399,000 BTU/h) |
| Heating input 25% | 99 399,000 BTU/h | 99 399,000 BTU/h |
| Efficiency 20% | 33 82% thermal efficiency | 67 84% thermal efficiency |
| Warranty 20% | 50 2-year warranty | 0 warranty not published, scored as none |
Specifications
| Raypak Digital 406A | Jandy JXi 400 | |
|---|---|---|
| Heating | ||
| Gas input | 399,000 BTU/h | 399,000 BTU/h |
| Gas type | Natural gas or propane | Natural gas or propane |
| Thermal efficiency | 82% | 84% |
| Condensing | No | No |
| Low NOx | No | Yes |
| Heat exchanger | Copper | Copper |
| Max water flow | 100 GPM | 100 GPM |
| Installation and controls | ||
| Ignition | Electronic | Electronic |
| Venting | Both | Both |
| Digital controls | Yes | Yes |
| Automation or app | Yes | Yes |
| Weight | - | 126 lb |
| Warranty | 2 years | - |