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Plumbing · playbook
Water heater replacement
Like-for-like tank or tankless change-out. · updated Sep 17, 2026
1
Before
Confirm type, size, fuel, venting, and location
Tankless or fuel changes usually need gas line and venting review.
2
Permit
Pull the plumbing permit
Often over-the-counter or online; some cities bundle mechanical for gas units.
3
Work
Replace the unit: T&P discharge, expansion tank, seismic strapping, venting per code
4
Inspection
Final inspection
5
Closeout
File the passed inspection with the job
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