JBL HEATERS

JBL ProTemp S Series (Internal Heaters)

The ProTemp S line consists of fully submersible submersible quartz glass heaters equipped with a protective plastic basket to prevent fish burns and impact damage.

Core Specifications:

Temperature Range: 20–34 °C
Control Accuracy: ±0.5 °C
Heating Element: Star-shaped ceramic
Safety Features: Automatic dry-running thermal cut-off (shuts off if water levels drop)
Submergence: Watertight up to 100 cm
Cable Length: 195 cm

Model / Wattage	Recommended Tank Volume	Recommended Tank Length	Total Unit Length
ProTemp S 25W	10 – 50 L	30 – 60 cm	20.5 cm
ProTemp S 50W	30 – 80 L	40 – 80 cm	21.5 cm
ProTemp S 100W	50 – 160 L	60 – 100 cm	27.0 cm
ProTemp S 150W	90 – 200 L	80 – 100 cm	27.0 cm
ProTemp S 200W	100 – 300 L	100 – 120 cm	37.0 cm
ProTemp S 300W	160 – 400 L	120 – 150 cm	37.0 cm