Standard residential water supply pipes are typically engineered to withstand pressures between 100 to 150 psi, while normal household water pressure operates at a much safer range of 40 to 80 psi. However, if water pressure exceeds 80 psi or if a severe pressure spike (water hammer) occurs, vulnerable joints or aged pipes can rupture. Furthermore, when water freezes inside a pipe, the expanding ice generates internal hydraulic pressures exceeding 2,000 psi, which easily exceeds the burst threshold of any standard plumbing material. Verification: Install a pressure-reducing valve (PRV) if your home's incoming water pressure exceeds 80 psi.
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