Raypak AVIA HD NiTek 404A
For salt pool owners who want the AVIA features with a tougher heat exchanger and will pay extra for it.
Amazon $4,923$4,923
The Raypak AVIA HD NiTek 404A is the better gas pool heater overall, rated 4.3 to 3.5. The Raypak AVIA HD NiTek 404A leads on value. The Raypak AVIA HD NiTek 404A costs $377 less ($4,923 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 AVIA HD NiTek 404A for value ($12.34 per 1,000 BTU/h ($4,923, 399,000 BTU/h) vs $13.28 per 1,000 BTU/h ($5,300, 399,000 BTU/h)).
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 AVIA HD NiTek 404A | Jandy JXi 400 |
|---|---|---|
| Overall rating | 4.3/5 | 3.5/5 |
| Value 35% | 60 $12.34 per 1,000 BTU/h ($4,923, 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% | 67 84% thermal efficiency | 67 84% thermal efficiency |
| Warranty 20% | 100 3-year warranty | 0 warranty not published, scored as none |
Specifications
| Raypak AVIA HD NiTek 404A | 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 | 84% | 84% |
| Condensing | No | No |
| Low NOx | - | Yes |
| Heat exchanger | Nitek | 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 | 3 years | - |