Hayward H-Series H200FD
A low NOx, salt tolerant spa or small pool heater for owners who buy online and can live with a short warranty.
Amazon $3,699$3,699
The Hayward H-Series H200FD rates 3.2 among under 250,000 BTU gas pool heaters; the Hayward H-Series H250FD rates 2.3 among 250,000 BTU and up ones. The Hayward H-Series H200FD costs $300 less ($3,699 vs $3,999).
Hayward H-Series H250FD
A low NOx, salt tolerant in-ground pool heater for owners who buy online and can live with a short warranty.
Amazon $3,999$3,999
Prices were last checked October 31, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Scores side by side
These two sit in different size classes (under 250,000 BTU and 250,000 BTU and up), and each is scored against the reference points for its own class, so a rating says how well each does among its own size peers. How we rank explains each factor.
| Factor weight | Hayward H-Series H200FD | Hayward H-Series H250FD |
|---|---|---|
| Overall rating | 3.2/5 | 2.3/5 |
| Value 35% | 38 $18.50 per 1,000 BTU/h ($3,699, 199,900 BTU/h) | 28 $16 per 1,000 BTU/h ($3,999, 250,000 BTU/h) |
| Heating input 25% | 100 199,900 BTU/h | 0 250,000 BTU/h |
| Efficiency 20% | 50 83% thermal efficiency | 67 84% thermal efficiency |
| Warranty 20% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Hayward H-Series H200FD | Hayward H-Series H250FD | |
|---|---|---|
| Heating | ||
| Gas input | 199,900 BTU/h | 250,000 BTU/h |
| Gas type | Natural gas or propane | Natural gas or propane |
| Thermal efficiency | 83% | 84% |
| Condensing | No | No |
| Low NOx | Yes | Yes |
| Heat exchanger | Cupro-nickel | Cupro-nickel |
| Max water flow | 125 GPM | 125 GPM |
| Installation and controls | ||
| Ignition | Electronic | Electronic |
| Venting | Both | Both |
| Digital controls | Yes | Yes |
| Automation or app | Yes | Yes |
| Weight | 140 lb | 165 lb |
| Warranty | 1 year | 1 year |