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AI agent for plumbers

Leak Source Narrowing Agent

Find the leak source with the fewest tests and openings.

DecisionsReal estate and constructionOperations
See how it worksGet access
Leak Source Narrowing Agent: what goes in, what the agent does and what you get

What it does

A hidden leak can take three visits to find. This agent takes the customer's description and meter readings and proposes the next test, such as a pressure drop test, a fixture shutoff or a meter check with all water off. You do the test and enter the result. It narrows the area, rules out sources and proposes the next test, repeating until the source is isolated. It records the path, the time and the cost so far. You approve any wall opening or repair quote. Edge case: the meter moves with all fixtures off, but the pressure test on the hot side holds, and the agent focuses on the cold side.

How it works

Follow the arrows from top to bottom. The orange dashed arrow is the loop: when a check fails, the agent goes back and tries again.

Start and resultWhat it doesA check on its own workWaits for your OKGoes back and retries
ApprovedYes, continueApprovedNo 1 STARTS WHEN Leak call starts 2 USES A TOOL Record the description, meter readings and layout 3 DOES List possible sources and areas 4 DOES Propose the cheapest test that splits thepossibilities 5 YOU APPROVE Plumber approves and carries out the test 6 USES A TOOL Enter the test result 7 DOES Narrow the area and rule out sources 8 CHECKS THE RESULT Is the source isolated to one location? If not: Choose the next test from the remaining areas.Back to step 4. 9 DOES Estimate the cost of opening and repair and recordthe path so far 10 YOU APPROVE Plumber approves the wall opening and the repairquote 11 RESULT Leak report and quote
Read the steps as a list
  1. Leak call starts
  2. Record the description, meter readings and layout
  3. List possible sources and areas
  4. Propose the cheapest test that splits the possibilities
  5. Plumber approves and carries out the testThe agent waits here for your OK.
  6. Enter the test result
  7. Narrow the area and rule out sources
  8. Is the source isolated to one location?If not: Choose the next test from the remaining areas. Back to step 4.
  9. Estimate the cost of opening and repair and record the path so far
  10. Plumber approves the wall opening and the repair quoteThe agent waits here for your OK.
  11. Leak report and quote

How it decides

It picks the test that rules out the largest part of the system with the least damage, then updates the likely area after each result.

  • Non-invasive tests before any wall opening
  • Meter test with all water off comes first
  • Stop after 6 tests and review with the plumber
  • Opening the wall needs customer approval

Make it yours

Every agent is a starting point. You choose these settings for your own situation.

  • Maximum tests before review (default 6)
  • Test types available
  • Cost per test
  • Opening rules
  • Report format

What keeps you in control

It always asks you first

  • Each test
  • Wall opening
  • The repair quote

Hard limits

  • Never opens walls without approval
  • Never gives a guaranteed diagnosis
  • Records all steps

It stops when

  • Done: source located and quote approved
  • Stop: 6 tests without isolation; plumber considers tracer or camera

Set it up

We guide you through the set-up, step by step

Members get the full set-up guide for this agent. No technical skills needed: you copy, paste and upload.

10 minto set it up in your AI
5 AIsChatGPT, Claude, Copilot, Gemini, Grok
  • One set of instructions to paste into your AI, with the clicks for ChatGPT, Claude, Microsoft 365 Copilot, Gemini and Grok
  • The agent then walks you through connecting your own data, one source at a time
  • A downloadable copy with the flow chart, the rules and the full guide
Get access to this agent

An example run

What happensA slab home lost 40 gallons a day. The meter moved with all fixtures off. The agent proposed a hot side pressure test, which held, so the isolation check failed. The cold side dropped 12 psi in 10 minutes. A zone test found the loss under the bathroom. The plumber approved opening one section of the floor and a $1,350 repair quote.

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