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US 9,732,536 B2Granted
Hybrid heater
AssigneePentair Water Pool and Spa, Inc.
InventorAzur Dzindo
Life of this patent
Estimating the term…
Abstract
Embodiments of the invention provide a pool heater including a housing, a first tankless heater, a second tankless heater, and a controller. The controller is configured to activate only the first tankless heater when a first condition is met, activate only the second tankless heater when a second condition is met, and activate the first and the second tankless heaters simultaneously when a third condition is met.
Claims20
A heater, comprising:
- a housing;
- a first tankless heater;
- a second tankless heater;
- and
- a controller configured to activate only the first tankless heater when a first condition is met, activate only the second tankless heater when a second condition is met, and activate the first and the second tankless heaters simultaneously when a third condition is met.
2 more elements
A method of heating water for an aquatic system utilizing a heater system comprising a first tankless heater and a second tankless heater, the method comprising the steps of:
- determining a first temperature of water entering the heater system;
- and
- if the first temperature is less than a first predetermined temperature, operating both the first and second tankless heaters to increase the first temperature;
- or
- if the first temperature is less than a second predetermined temperature and greater than the first predetermined temperature, operating only the first tankless heater to increase the first temperature.
2 more elements
Dependencies are inferred from the claim text.