Jandy JXiQ 400 with VersaFlo
For a large in-ground pool with a variable speed pump, where the built in bypass and smart diagnostics earn back the price.
Amazon $4,991.71$4,991.71
The Jandy JXiQ 400 with VersaFlo and the Raypak Digital 336A are evenly matched, rated 3.6 and 3.5. The Jandy JXiQ 400 with VersaFlo leads on heating input and efficiency. The Raypak Digital 336A wins on value. The Raypak Digital 336A costs $1,376.71 less ($3,615 vs $4,991.71).
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.
Raypak Digital 336A
Good value for in-ground pools outside low NOx areas, provided it comes from an authorized dealer so the warranty holds.
Amazon $3,615$3,615
Which should you buy?
- Choose the Jandy JXiQ 400 with VersaFlo for heating input (399,000 BTU/h vs 332,000 BTU/h) and efficiency (84% thermal efficiency vs 82% thermal efficiency).
- Choose the Raypak Digital 336A for value ($10.89 per 1,000 BTU/h ($3,615, 332,000 BTU/h) vs $12.51 per 1,000 BTU/h ($4,991.71, 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 | Jandy JXiQ 400 with VersaFlo | Raypak Digital 336A |
|---|---|---|
| Overall rating | 3.6/5 | 3.5/5 |
| Value 35% | 59 $12.51 per 1,000 BTU/h ($4,991.71, 399,000 BTU/h) | 76 $10.89 per 1,000 BTU/h ($3,615, 332,000 BTU/h) |
| Heating input 25% | 99 399,000 BTU/h | 55 332,000 BTU/h |
| Efficiency 20% | 67 84% thermal efficiency | 33 82% thermal efficiency |
| Warranty 20% | 0 warranty not published, scored as none | 50 2-year warranty |
Specifications
| Jandy JXiQ 400 with VersaFlo | Raypak Digital 336A | |
|---|---|---|
| Heating | ||
| Gas input | 399,000 BTU/h | 332,000 BTU/h |
| Gas type | Natural gas or propane | Natural gas or propane |
| Thermal efficiency | 84% | 82% |
| Condensing | No | No |
| Low NOx | Yes | No |
| 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 |
| Warranty | - | 2 years |