Common do’s and don’ts with poly tanks.

  • Do not overtighten tie down straps or bands which may cause excessive stress on the tank. A “snug” fit is best.

  • Do not attach heavy valve and plumbing fittings on a bulkhead fitting without proper support. Always use flexible connections to allow the tank to expand and contract.

  • Always water test the tank before using to be sure fittings are sealed tight.

  • Do not overtighten the bulkhead fitting. Fittings are installed to proper torque ratings at the time of manufacturing but may become loose through movement in shipping. When you get your tank, hand-tighten the fitting and then give it 1/4 of a turn to make sure it’s tight.

Source: FAQs - Peabody

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