Huihong small constant temperature heating rod/heating tube

Features:

1. Compact and convenient, suitable for use in small tanks

2. Step heating, working for 3-8 minutes, pausing for 2 minutes. This cycle continues until the set temperature is reached, saving energy and extending the service life of the heating rod.

3. Water-leaving protection, when the top of the heating rod leaves the water, it will automatically cut off the power and stop heating to prevent continuous heating.

4. Made of explosion-proof quartz glass and filled with high-purity quartz sand, it has fast thermal conductivity and high efficiency.