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Step 7 · Restore Power and Test System

With the system full of water and confirmed to be leak-free, go back to the circuit breaker and restore power to the well pump. The pump should immediately turn on. Watch the pressure gauge on the tank tee; the pressure should climb until it reaches the pump's cut-off pressure (60 PSI for a 40/60 switch), and then the pump will shut off. Go to a faucet and turn it on. The pressure will fall. When it reaches the cut-in pressure (40 PSI), the pump should turn back on. Let the system run through this cycle 2-3 times to confirm everything is operating correctly. Finally, open a tub faucet for several minutes to purge any air from the pipes.

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Step 7 · Restore Power and Test System

With the system full of water and confirmed to be leak-free, go back to the circuit breaker and restore power to the well pump. The pump should immediately turn on. Watch the pressure gauge on the tank tee; the pressure should climb until it reaches the pump's cut-off pressure (60 PSI for a 40/60 switch), and then the pump will shut off. Go to a faucet and turn it on. The pressure will fall. When it reaches the cut-in pressure (40 PSI), the pump should turn back on. Let the system run through this cycle 2-3 times to confirm everything is operating correctly. Finally, open a tub faucet for several minutes to purge any air from the pipes.

Tools and Materials

← Project

How to Replace a Well Pressure Tank

Step 7 of 7·20 min left

Preparation and Safety
15 mins1 itemsIntermediate
Drain the Old Tank
45 mins3 itemsIntermediate
Disconnect Plumbing
20 mins3 items
Prepare and Pre-charge New Tank
15 mins3 itemsIntermediate
Install the New Tank
25 mins4 itemsAdvanced
Re-pressurize and Check for Leaks
15 mins2 itemsIntermediate
7
Restore Power and Test System
20 mins1 itemsAdvanced
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