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
2.6/5
A low NOx, salt tolerant spa or small pool heater for owners who buy online and can live with a short warranty.
- 150,000 BTU/hHeating input
- 82.7%Efficiency
- Natural gas or propaneGas type
- 1 yearWarranty
Check price at Amazon$2,999
Price checked October 31, 2026. As an Amazon Associate we earn from qualifying purchases.
Pros
- Cupro-nickel heat exchanger stands up better to salt systems and unbalanced water than plain copper
- Low NOx certified, so it can be installed in California and other strict air districts
- Compact enough for a spa or a small in-ground pool pad
- Runs from a remote thermostat or pool automation over simple 2 or 3 wire terminals
Cons
- Only a 1 year parts warranty with no labor when bought online
- No built in Wi-Fi or app control
- Too small to heat a large in-ground pool quickly
The Hayward H-Series family
Every Hayward H-Series model we rank, smallest first. Ratings compare each against its own size.
| Model | Heating input | Rating | Price |
|---|---|---|---|
| Hayward H-Series H135FD | 135,000 BTU/h | 2.6/5 | $2,399 |
| Hayward H-Series H150FD (this one) | 150,000 BTU/h | 2.6/5 | $2,999 |
| Hayward H-Series H200FD | 199,900 BTU/h | 3.2/5 | $3,699 |
| Hayward H-Series H250FD | 250,000 BTU/h | 2.3/5 | $3,999 |
| Hayward H-Series H400FD | 399,900 BTU/h | 3.5/5 | $5,099 |
How it scores
The rating comes from 4 measured or published factors, each scored 0-100 against fixed reference points for its size. How we rank explains each one.
Specifications
| Model number | W3H150FDN / W3H150FDP |
|---|---|
| Heating | |
| Gas input | 150,000 BTU/h |
| Gas type | Natural gas or propane |
| Thermal efficiency | 82.7% |
| Condensing | No |
| Low NOx | Yes |
| Heat exchanger | Cupro-nickel |
| Max water flow | 125 GPM |
| Installation and controls | |
| Ignition | Electronic |
| Venting | Both |
| Digital controls | Yes |
| Automation or app | Yes |
| Weight | 135 lb |
| Warranty | 1 year |
Alternatives in this size
Pentair MasterTemp 125
A compact, light heater for spas and above-ground pools, best for owners with Pentair automation.
Amazon $2,098$2,098
Hayward H-Series H135FD
An affordable heater for above-ground pools and spas where a short warranty and outdoor only installation are acceptable.
Amazon $2,399$2,399
Compare
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