100,000 btu Propane
No pilot light means no struggling with the heater. Hayward introduced the induced draft technology which features a direct spark ignition and FireTile combustion chamber for quick heating. Even in high wind areas, the H100 will provide optimum heating performance. Performing at 100,000 BTU's per hour the H100 can heat a typical 18' Round pool 10.4 degrees in 8 hours!