Product Description
Hayward H250FDNASME Universal H-Series Digital Low NOx Pool Heater; Natural Gas, 250000 BTU, 110/220 V, 60 Hz, 1-Phase, Cupro Nickel
Product Features
- Patented cupro nickle finn plate™ heat exchanger with bronze header as standard
- Independent left or right side electric, water and gas connections
- ASME pressure relief valve included as standard
- Electronic lock-out feature prevents unauthorized access to configuration settings
- Easy installation and service via access of single front panel
- Easy gas valve adjustment
- Easy dual voltage conversion with fuse-protected circuit boards
Parts

Product Specifications
| Brand | Hayward |
| Item | Low NOx Pool Heater |
| Series | Universal H-Series |
| GasType | Natural |
| Headers | Polymer |
| ControlType | Digital Electric, Dual Thermostat |
| TubingMaterial | Cupro Nickel |
| BTUHInput | 250000 |
| CabinetWidth | 28 Inch |
| CabinetDepth | 29-1/2 Inch |
| CabinetHeight | 24 Inch |
| FlueDiameter | 4 Inch |
| GasConnection | 3/4 Inch |
| WaterConnection | 2 Inch x 2-1/2 Inch Unions |
| VoltageRating | 110/220 V |
| FrequencyRating | 60 Hz |
| Phase | 1-Phase |
| FlowRate | 125 psi |
