Universal H-Series 150,000 BTUs Inground Low NOx Pool Heater - Propane Gas filter-length_19 9/16 inches It has an audible low

It has an audible low battery indicator at the poolside alarm and also on the in house remote receiver

For water temperatures under 80 degrees F

It has a 150 foot cord and is manufactured by J&J Electronics/Hayward

and a 110 volt

Universal H-Series 150,000 BTUs Inground Low NOx Pool Heater - Propane Gas filter-length_19 9/16 inches It has an audible lowThis Hayward Universal H Series Propane Gas Pool Heater is 150,000 BTUs, has dual voltage, and features a commercial grade cupro nickel heat exchanger. It has Low Nox emissions and 2 inch x 2 1 2 inch CPVC union plumbing connections. The Universal H Series gas heaters are the "universal" energy efficient remedy for any new or existing pool or spa. The cupro nickel heat exchanger comes standard on all H Series heaters. The heat exchanger is chemical