Flowlight Booster Pump Instruction Manual

(3) Float valve in tank restricts flow. Pressure builds up and actuates pressure switch at

pump. Small captive-air pressure tank is necessary at pump to prevent "switch chatter".

Contact your dealer or the factory for further advice.

FLOW RESTRICTION MUST NOT BE USED as a method to reduce your pump's flow rate. It

may result in excessive pressure build-up and current draw.

Flowlight ®Booster Pump Installation

For Pressurizing Systems

A PRESSURE TANK IS REQUIRED with a Booster Pump system. PRESSURE TANKS are

available from local water supply dealers. Use the largest tank that you are willing to buy. 40

gallon size is typical -- it allows you about 12 gallons of water between pump cycles. Those 12

gallons may be drawn at a higher flow rate than the pump produces. A large pressure tank will

minimize on/off cycling of the pump. In a typical household of more than four people, a tank of

at least 60 gallons is recommended. The bigger the better! More than one tank may be

connected. They need not be the same size.

A PRE-CHARGED "CAPTIVE AIR" TANK is recommended. Cheaper "galvanized tanks"

require periodic recharging, store less water between cycles, and don't last as long. PROPER

PRE-CHARGE IS ESSENTIAL. Follow the instructions that come with your pressure tank –

With presure discharged from the tank, adjust pre-charge to 2-3 PSI below cut-in pressure. This

will assure that you get the best performance from your system.

Installation from cistern or

storage tank where pump is

her than the water source