Merrill PFC20 20" Plastic Float Air Volume Control

Features:

• Simple Economical way to minimize water-logging of pressure tanks.
• The plastic Flotation Ring forms a seal between water and air inside pressure tanks.
• Eliminates Other Air Volume Controls or the need for air-charger, bleeder valves, or air-release valves, and headaches caused by corrosion of these parts.
• The float"s Balanced Buoyancy is assured by a sealed, crush-proof flotation ring within the float even if the tank drains.