Low water pressure limited to upper-floor fixtures in a North Seattle home is one of the most common symptoms of galvanized supply pipe deterioration, and it is a problem that Salish Plumbing Co addresses regularly throughout Ballard, Shoreline, Greenwood, and the surrounding neighborhoods. Understanding why upper floors lose pressure first helps explain both the diagnosis and the solution.Galvanized steel pipe corrodes from the inside over time, and the corrosion layer progressively restricts the effective bore of the pipe. Vertical pipe runs that supply upper floors are typically smaller in diameter than the main horizontal runs, which means corrosion affects their flow capacity faster and more noticeably. As the bore narrows, the pressure drop from the ground floor to the second floor increases until upper fixtures barely run while lower fixtures still have acceptable pressure.
The solution to galvanized-caused low pressure is repiping the supply system with modern PEX or copper. There is no practical way to clean or treat the inside of galvanized pipe to restore flow, and spot repairs at visible leak points do not address the underlying restriction that is causing the pressure problem. Salish provides honest assessments of galvanized pipe condition and clear quotes for repiping projects, with the permit process managed on behalf of the homeowner.
Salish Plumbing Co | Shoreline, WA | (206) 867-0624
Salish Plumbing Co will also check the pressure regulator and main shutoff valve function before recommending repiping, to confirm that galvanized restriction is the actual cause of the pressure problem rather than a simpler upstream issue.
Call (206) 867-0624 for low water pressure diagnosis and repiping in North Seattle.Salish Plumbing Co | Shoreline, WA | (206) 867-0624
