For maintaining the water pressure in a residential water pump system when the pump is not running.
• Diaphragm is FDA approved.
• Two part urethane finish over epoxy primer coat provides durable appliance-like finish.
• Precharged air chamber provides greater water capacity.
• Precharged to 28 PSI (RL62,RL81, RL119 - 38 PSI).
• 100 PSI maximum working pressure (RL119-125 PSI).