Description: Six hours. One Saturday. Cold showers Friday night, hot water Saturday night.
An electric water heater is the single most DIY-able major appliance in a house. The connections are simple (two 240V wires, two water lines, one drain line), the plumbing is standard, and the electrical is straightforward - but the combination of 50 gallons of hot water and 240V in the same fixture means the sequence matters.
This book walks the complete replacement:
location).
skipped).
- Diagnosis: is it actually the heater, or the thermostat?
- Sizing the replacement (gallons, height, width, connection
- Shutoff and drain (the step that takes the longest).
- Disconnecting supply lines and electrical.
- Getting the old tank out (always heavier than you think).
- Positioning the new tank.
- Plumbing the supply lines with flex connectors.
- Wiring the 240V supply.
- The T&P valve and drain pan - code requirements.
- Filling and purging air (the step that fries elements if
- Energizing and testing temperature.
Written for the homeowner with basic electrical and plumbing experience. If you've replaced a faucet and changed a 240V circuit breaker, you have the skill to do this.