PTC (Positive Temperature Co-efficient) heater technology is going to be proven as the energy saver of the century. Keeton Industries is proud to offer Innovative Heat Concepts’ Titanium PTC heaters to eliminate that premature low water level burnout.

| Submersible Aquaculture Heater | ||||
| Model | Overall Length (inch/mm) | Watts | Volts | Price |
| QDPTY1-1 | 12 1/2 / 318 | 1000 | 120 | $463.00 |
| QDPTY1.8-1 | 19 / 483 | 1800 | 120 | $573.00 |
| QDPTY1.8-2 | 19 / 483 | 1800 | 240 | $573.00 |
| QDPTY3-2 | 25 / 635 | 3000 | 240 | $683.00 |
| QDPTY4-2 | 31 / 787 | 4000 | 240 | $903.00 |
| QDPTY6-2 | 42 / 1041 | 6000 | 240 | $1158.00 |

| Multi Submersible Aquaculture Heater | ||||
| Model | Overall Length (inch/mm) | Watts | Volts | Price |
| QDPTY9-2 | 25 / 635 | 9000 | 240 | $1695.00 |
| QDPTY12-2 | 31 / 787 | 12000 | 240 | $1943.00 |
| QDPTY18-2 | 42 / 1041 | 18000 | 240 | $2333.00 |