A homeowner on Tacoma’s unincorporated south side, near our shop, called this spring about a water shutoff. The only valve the owner knew of was out at the meter. The goal was one valve that could close the whole house and warn of a leak. James surveyed in mid May and had it in service six days later.
What We Found
The house shutoff turned out to be an old gate valve buried in the back wall of the kitchen sink cabinet, on the copper main. A gate valve nobody can find is not a shutoff, and one that has not been turned in years may not seat when it finally matters. James revised the plan: take the gate valve out and put the smart valve in its place, on the true house main, ahead of every branch.
What We Did
On the install day James emptied the cabinet, cut the back wall open, shut the water off to the house and removed the gate valve. He plumbed the Moen Flo smart water monitor and shutoff into the line with PEX and transition fittings to the existing copper, plugged it into the outlet already in the cabinet, and turned the house back on. It held pressure with no leaks and was in service before he left. The unit watches the flow through the main and can close the line on its own when it sees a burst or a leak that does not stop, or on command from the owner’s phone.
Why It Matters
- A shutoff you cannot find is not a shutoff. Anyone in the house should be able to close the water in under a minute, and a wheel behind a cabinet wall fails that test.
- Monitoring belongs on the true house main. A smart valve on a branch line protects that branch only. On the main, one closure stops every fixture, appliance and supply line at once.
- New hardware can join old copper without a repipe. PEX and the right transition fittings let a modern valve sit in a line that is otherwise still sound.
- The gate valve came out for a reason. A valve that will not seat protects nothing, and swapping it while the wall is open beats a second visit later.
Why the South Side of Tacoma
The streets around our shop carry Tacoma addresses but sit in unincorporated Pierce County, between Parkland and Spanaway, and this home, like many here, sits on a crawl space where a leak can run for days before anyone sees it. When the only shutoff is at the meter, closing the water means a key and a walk to the street in the rain. Our coldest snaps, the Fraser outflow events, split exposed crawl-space pipe, and that is exactly when a valve that closes on its own earns its keep. We work these neighborhoods every day.
Know Where Your Shutoff Is
Not sure where your shutoff is, or want one that watches the line for you? Call us or request service and we will tell you what we find before any work starts.
More: water lines and main shutoffs · leak and pipe repair · plumbing in Tacoma · unexplained water use, stains and dampness
