A strong pick for in-ground pools already on Pentair automation, though online buyers get only a short warranty.
Amazon $3,098The Pentair MasterTemp 250 is the better gas pool heater overall, rated 2.7 to 2.2. The Pentair MasterTemp 250 leads on value. The Pentair MasterTemp 250 costs $1,395.12 less ($3,098 vs $4,493.12).
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.
A compact low NOx heater for an in-ground pool on Jandy automation, if the price premium over rivals is acceptable.
Amazon $4,493.12Which should you buy?
- Choose the Pentair MasterTemp 250 for value ($12.39 per 1,000 BTU/h ($3,098, 250,000 BTU/h) vs $17.28 per 1,000 BTU/h ($4,493.12, 260,000 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 | Pentair MasterTemp 250 | Jandy JXi 260 |
|---|---|---|
| Overall rating | 2.7/5 | 2.2/5 |
| Value 35% | 60 $12.39 per 1,000 BTU/h ($3,098, 250,000 BTU/h) | 18 $17.28 per 1,000 BTU/h ($4,493.12, 260,000 BTU/h) |
| Heating input 25% | 0 250,000 BTU/h | 7 260,000 BTU/h |
| Efficiency 20% | 67 84% thermal efficiency | 67 84% thermal efficiency |
| Warranty 20% | 0 1-year warranty | 0 warranty not published, scored as none |
Specifications
| Pentair MasterTemp 250 | Jandy JXi 260 | |
|---|---|---|
| Heating | ||
| Gas input | 250,000 BTU/h | 260,000 BTU/h |
| Gas type | Natural gas or propane | Natural gas or propane |
| Thermal efficiency | 84% | 84% |
| Condensing | No | No |
| Low NOx | Yes | Yes |
| Heat exchanger | Copper | Copper |
| Max water flow | 120 GPM | 100 GPM |
| Installation and controls | ||
| Ignition | Electronic | Electronic |
| Venting | Both | Both |
| Digital controls | Yes | Yes |
| Automation or app | Yes | Yes |
| Weight | 133 lb | 120 lb |
| Warranty | 1 year | - |
