Can I Replace My Own Water Heater Legally?
Sometimes — the like-for-like electric (the homeowner's — the permitted) is allowed in many jurisdictions (the permit's — the still required; the inspection's); the gas (the venting's — the combustion's) requires the licensed plumber in most (the CO's — the risk). The permit: the replacement's — the always; the DIY: the electric's — the sometimes. The gas's — the professional's.
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The electric's DIY
The like-for-like (the same — the capacity's; the location's), the permit (the plumbing's — the required; the homeowner's — the pulled), the electrical (the 240V — the existing; the disconnect's), the T&P (the relief's — the piped; the drain's), and the pan (the drain's — the upstairs'; the code's).
The gas's professional
The venting (the draft's — the sized; the CO's — the risk), the gas (the line's — the tested; the licensed's), the combustion (the air's — the provided; the confined's), and the jurisdictions' (the requirement — the licensed's; the common).
Code and cost
The expansion (the tank's — the thermal's; the code's), the seismic (the straps' — the required; the California's), the pan (the upstairs' — the drained), and the cost (the $1,200-$2,500 — the electric's installed; the $1,800-$3,500 — the gas'). The permit's — the replacement's; the inspection's — the safety's.
The bottom line
Like-for-like electric water heaters are DIY-allowed with a permit in many jurisdictions; gas replacements need a licensed plumber (venting/CO risk) — always permit, strap seismically, pipe T&P to drain.
Torch Engineering PLLC · (480) 490-0064 · info@torchengineering.com — PE stamping backed by Apex Grid Engineering.