Bestway Original 58259 Swimming Pool Heater Heats Between.5C-1.5C P/H-400-4500
(Increases the temperature of the water of the swimming pool of about 0. -flow filter pump/Sand Filter: 3.785 L/h, 1000 gal/h) and lower 3.785 L/h, 1000 gal/h). Maximum Output: The heater has a maximum output of 40°C (104°F).