The industry-standard freeze-protection solution since 1991, this dual-voltage heater safeguards black, grey, and potable water tanks across all RV types. Field-tested for protection down to -11°F on fully exposed tanks, with enhanced cold-weather performance when combined with insulation.

• Compatible with all holding tank types
• Dual voltage: 13.5V DC or 120V AC
• Power ratings: 121.5W at DC, 112.8W at AC
• Panel dimensions: 24 x 12 inches
• Thermostat range: 44°F on, 64°F off
• Installation: Peel-and-stick adhesive mounting