Photo 1 of Hot Tub Heater for 1995+ Hot Spring/Watkins - Spa Heater 4kW Titanium w/Sensors- 73791?1kw/4kW 120V/240V 8.3A/16.6A?

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Photo 1 of Hot Tub Heater for 1995+ Hot Spring/Watkins - Spa Heater 4kW Titanium w/Sensors- 73791?1kw/4kW 120V/240V 8.3A/16.6A? Photo 2 of Hot Tub Heater for 1995+ Hot Spring/Watkins - Spa Heater 4kW Titanium w/Sensors- 73791?1kw/4kW 120V/240V 8.3A/16.6A? Photo 3 of Hot Tub Heater for 1995+ Hot Spring/Watkins - Spa Heater 4kW Titanium w/Sensors- 73791?1kw/4kW 120V/240V 8.3A/16.6A?