THE GUARDIAN AQUARIUM HEATERS:
The Guardian heater is fully submersible and indestructible. The Guardian was designed to successfully pass 12 rigorous safety tests. This is a very safe choice for your fish. Listed below are the 12 reasons why.
1. Dropped 3 times from a height of 3 feet onto a hardwood sureface - No unsafe results.
2. Line Cord - Withstands 35 ponds of pulling force without components disassembling.
3. Line Cord - Heavy duty exceeds rated heater voltage & waterproof.
4. Thermal Protector - Resettable switch cuts off power if temperature exceeds 185 degrees out of water.
5. Double Insulated - No current leakage.
6. Was submersed in water, after reaching maximum heat - With no dielectric or physical damage.
7. Plastic parts flammability test - Won't Support combustion.
8. Metals and connectors mechanical - not soldered.
9. No glowing or flaming at highest temperature with heater out of water.
10. Dielectric tests - 2,500 volts with no insulation breakdown.
11 Heat aging - All elastometric seal materials heated to 212 degrees for 70 hours - No problem of hardness or flexibility.
12. Production line testing - Every heater is tested in production.
