Pentair MasterTemp 200
For a spa or a small in-ground pool on Pentair automation, though the online price and short warranty make the 250 better value.
Amazon $3,549$3,549
The Pentair MasterTemp 200 is the better gas pool heater overall, rated 3.4 to 3.2. The Pentair MasterTemp 200 leads on efficiency. The Pentair MasterTemp 200 costs $150 less ($3,549 vs $3,699).
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.
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
Which should you buy?
- Choose the Pentair MasterTemp 200 for efficiency (84% thermal efficiency vs 83% thermal efficiency).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every under 250,000 BTU gas pool heater; a clear win is highlighted. How we rank explains each one.
| Factor weight | Pentair MasterTemp 200 | Hayward H-Series H200FD |
|---|---|---|
| Overall rating | 3.4/5 | 3.2/5 |
| Value 35% | 44 $17.75 per 1,000 BTU/h ($3,549, 200,000 BTU/h) | 38 $18.50 per 1,000 BTU/h ($3,699, 199,900 BTU/h) |
| Heating input 25% | 100 200,000 BTU/h | 100 199,900 BTU/h |
| Efficiency 20% | 67 84% thermal efficiency | 50 83% thermal efficiency |
| Warranty 20% | 0 1-year warranty | 0 1-year warranty |
Specifications
| Pentair MasterTemp 200 | Hayward H-Series H200FD | |
|---|---|---|
| Heating | ||
| Gas input | 200,000 BTU/h | 199,900 BTU/h |
| Gas type | Natural gas or propane | Natural gas or propane |
| Thermal efficiency | 84% | 83% |
| Condensing | No | No |
| Low NOx | Yes | Yes |
| Heat exchanger | Copper | Cupro-nickel |
| Max water flow | 120 GPM | 125 GPM |
| Installation and controls | ||
| Ignition | Electronic | Electronic |
| Venting | Both | Both |
| Digital controls | Yes | Yes |
| Automation or app | Yes | Yes |
| Weight | 128 lb | 140 lb |
| Warranty | 1 year | 1 year |