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Step 4 · Prepare and Pre-charge New Tank

Unbox the new pressure tank. Locate the air valve (Schrader valve) on top of the tank. Use a tire pressure gauge to check the factory pre-charge. For a system with a 40/60 PSI pressure switch, the tank's air pressure should be 38 PSI (2 PSI below the 40 PSI cut-in). Use a bicycle pump or air compressor to add or release air to reach this exact pressure. Next, take the roll of Teflon tape and wrap the male threads on the tank's water inlet 3-4 times in a clockwise direction. This ensures the tape tightens as you screw the tank in.

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Step 4 · Prepare and Pre-charge New Tank

Unbox the new pressure tank. Locate the air valve (Schrader valve) on top of the tank. Use a tire pressure gauge to check the factory pre-charge. For a system with a 40/60 PSI pressure switch, the tank's air pressure should be 38 PSI (2 PSI below the 40 PSI cut-in). Use a bicycle pump or air compressor to add or release air to reach this exact pressure. Next, take the roll of Teflon tape and wrap the male threads on the tank's water inlet 3-4 times in a clockwise direction. This ensures the tape tightens as you screw the tank in.

Tools and Materials

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How to Replace a Well Pressure Tank

Step 4 of 7·1.3 hr left

Preparation and Safety
15 mins1 itemsIntermediate
Drain the Old Tank
45 mins3 itemsIntermediate
Disconnect Plumbing
20 mins3 items
4
Prepare and Pre-charge New Tank
15 mins3 itemsIntermediate
5
Install the New Tank
25 mins4 itemsAdvanced
6
Re-pressurize and Check for Leaks
15 mins2 itemsIntermediate
7
Restore Power and Test System
20 mins1 itemsAdvanced
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