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Reinstall Tank on Bowl — Position and Connect the New Tank

Beginner

Part of project

How to Replace a Well Pressure Tank · Step 7 of 10

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In this video

Carefully place the tank back onto the toilet bowl, aligning the tank bolts through the holes in the bowl. Ensure the tank is level. From underneath, attach the washers and nuts to the bolts. Tighten the nuts by hand first, then use a wrench to snug them up, alternating between each side to apply even pressure. Reconnect the water supply line to the new fill valve.

Goal: Secure and Seal Toilet Tank

Used in this video

  • Wrench (Tool Type: Adjustable wrench)To tighten the tank-to-bowl bolts and the water supply line.
  • Tank Bolts, Nuts, and Washers (Material: Metal)To fasten the tank to the bowl.
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FAQs

What are the most critical safety steps I must take before beginning to replace my well pressure tank?

Absolutely always turn off the power to your well pump at the main electrical panel first. Then, fully drain the entire water system to relieve all pressure. This prevents electric shock, water damage, and injury from pressurized components.

How long should I expect this well pressure tank replacement to take, and what's the approximate material cost for a DIYer?

For a beginner, plan for 2-4 hours, assuming you have all tools and materials ready. The material cost, primarily for the new pressure tank and fittings, can range from $200 to $600, depending on the tank size and brand, plus a few dollars for tape and rags.

Why is correctly pre-charging the new well pressure tank so important, and what pressure should I set it to?

Pre-charging with air prevents the tank from becoming 'waterlogged' and ensures your pump cycles efficiently, extending its lifespan. Set the tank's air pressure (when empty) to 2 PSI below your well pump's 'cut-in' pressure (the pressure at which your pump turns on).

Which specialized tools are absolutely essential for replacing a well pressure tank, beyond basic household tools?

You'll definitely need a sturdy pipe wrench (like the 16-inch self-adjusting one mentioned) for plumbing connections, a tire pressure gauge to check the tank's pre-charge, and a water pressure gauge to monitor system pressure. Slip-joint pliers are also very helpful for various fittings.

Reinstall Tank on Bowl — How to Replace a Well Pressure Tank (Step 7, Video 3) | Stesso