10
Discharge Pipe and Pressure Tank Connections
PRE-CHARGE TANK CONNECTION
□ Install two tees in the pump discharge port. The pipe size must be at least as large as the discharge port.
NOTE: A pre-plumbed pump-on-tank system only requires one tee.
□ Run a pipe or reinforced hose from one arm of the rst tee to the port on the pre-charged tank.
□ Connect the other discharge tee to your plumbing system.
□ Check the pre-charge of air in the tank with an ordinary tire gauge. Your new pump has a 30/50 Psi switch, so adjust the tank pre
charge pressure to 28 Psi. The pre-charge is measured when there is no water in the tank. The pre-charge should be 2 Psi less than
the cut-in setting of the pump’s pressure switch. If the tank pre-charged less than 28 Psi, re-charge air to the tank to 28 Psi with a tire
pump or air compressor. If the tank pre-charged over 28 Psi, bleed out some air to 28 Psi.
Congratulations! You have just completed the tank connection for your jet pump.
Check Valve
Pressure Switch
To Household
Water System
Pump Priming Tee
and Plug (Replace
plug with Pressure
Gauge if desired-
purchase separately)
NOTE: Sealing Pipe Joints.
□ Use only thread tape for making all threaded connections to the pump itself.
□ Do not use pipe joint compounds on plastic: they can react with the plastic.
□ Make sure that all pipe joints in the suction pipe are air tight as well as water tight.
□ If the suction pipe can suck air, the pump will not be able to pull water from the well.
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