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Partially Drain the Tank — Drain the Water Heater

Beginner3 hours

Part of project

How to Replace an Electric Water Heater Heating Element · Step 2 of 7

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In this video

Attach a garden hose to the drain valve at the bottom of the water heater tank. Route the other end of the hose to a suitable floor drain or a large bucket. Use a flathead screwdriver to turn the drain valve's screw counter-clockwise to open it. To help the water drain, go to a sink inside the house and open a hot water faucet; this will break the vacuum in the lines. Allow about a quarter of the tank's water to drain out, then close the drain valve by turning the screw clockwise.

Goal: Lower the water level in the tank below the anode rod to prevent spillage during removal.

  • The water draining from the tank is hot and can cause burns. Handle the hose with care.

Used in this video

  • Garden Hose (Garden Hose Length: 25ft)To safely direct hot water from the drain valve to a floor drain or container.
  • Screwdriver (Screwdriver Type: Flathead)To open and close the water heater's drain valve.
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FAQs

What are the most critical safety precautions I must take when replacing a water heater heating element?

The most critical step is ensuring the power to the water heater is completely OFF at your home's main electrical panel or breaker box before touching any wires. Also, turn off the cold water supply valve to the heater. Safely draining the tank of hot water is also essential to prevent burns.

Is a special tool required for removing the heating element, or can I use a standard wrench?

While some might attempt it with a large socket or pipe wrench, a specialized heating element wrench (like the 'Rheem PROTECH Dual Head Element Wrench' mentioned) is highly recommended. This tool is designed to fit the element's hex head perfectly, minimizing the risk of stripping it and making removal and tightening much easier.

How long should I expect this project to take, especially considering the draining process?

The estimated time for this project is 3 hours, but beginners should budget closer to 4 hours. Draining the water heater tank can take anywhere from 30 minutes to over an hour, depending on your tank's size and the drainage rate. Don't rush the process, especially during safety-critical steps.

What's a common mistake beginners make during installation, and how can I prevent leaks around the new element?

A common mistake is not properly seating the new heating element's gasket or not tightening the element sufficiently. To prevent leaks, ensure the new gasket is clean and properly aligned on the element before insertion. Tighten the element firmly with your specialized wrench, but avoid over-tightening which can damage the tank or element.

Partially Drain the Tank — How to Replace an Electric Water Heater Heating Element (Step 2, Video 1) | Stesso