Harvard Deep Well Air Release / Air Volume Control 1 1/4" Mpt

Your Price: $40.38

Part Number: P-95-210

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Description

Air Ejector Control For Deep Well Water Systems releases air only, submersible pumps only.

Pressure Release Valve Adjustment:

The HARVARD® plastic deep well air release is factory set at 25 psi
Max release valve pressure setting is 40 psi - Min setting is 0 psi
Pressure setting is increased by turning the adjusting screw clockwise, and lowered by turning the adjusting screw counterclockwise
One full rotation of the adjusting screw changes the setting by 5 psi

How the HARVARD® release valve works:

Excessive air in a non-bladder style tank will continue to lower the water level in the tank to the extent of discharging air into the service line
As the water level is lowered, the deep well air release float is also lowered, opening the release valve
This allows the excess air to bleed out of the tank until the release valve setting is reached (Factory set at 25 psi)
As the pressure in the tank lowers to the cut-in setting of the pressure switch (usually 20 psi), the pump starts and forces water and air into the tank until the pressure has reached the cut-out setting of the pressure switch (usually 40 psi)
As the water level rises, it raises the float which closes the release valve before the water level reaches the valve; a process that is repeated as the pump cycles

Harvard Deep Well Air Release / Air Volume Control 1 1/4" Mpt

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