Electric water heater replacement (permit; fill before power)
Many jurisdictions require a permit and inspection for water heater replacement, and some limit who may do it. The critical steps are a new T&P valve and correct discharge pipe, proper water connections, and filling the tank completely before power goes on: powering an empty tank burns out the element almost immediately.
Cross-checked ~240 min advancedBrands: All
Before you start
- Check local permit rules first; refer when the jurisdiction requires a licensed plumber.
- Gas, propane or oil-fired heaters: BLOCKED, see the gas water heater referral guide.
- Breaker off and verified dead (240 V) before touching wiring.
- Drained water can be scalding; let it cool or drain with care.
Diagnostic steps
Unlock all 6 steps with expected values
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