Heater for pools and spas with improved sensor control

Abstract

A heater for a pool system, such as a swimming pool or a spa, includes a controller and a plurality of sensors for determining an operating condition of the heater. In some cases, the heater includes a gas sensor for determining at least one characteristic of gas supplied to the heater. The heater may also include a wiring sensor for determining a wiring configuration for an igniter of the heater. Additionally or alternatively, the heater may include a water inlet sensor, a water outlet sensor, and a vent sensor. The heater for the pool system may be provided with various other sensors or combination of sensors.

Dependencies are inferred from the claim text.