How To Replace A Water Heater Element

How to Replace a Water Heater Element: A Step-by-Step Guide

Replacing a water heater element is a relatively straightforward DIY project that can save you money on costly plumber fees. This guide provides a comprehensive, step-by-step process for safely and effectively replacing a faulty element in your electric water heater. However, if you're uncomfortable working with electricity or plumbing, it's always best to call a qualified professional. This project involves working with hot water and electricity, so safety is paramount.

Before You Begin:

• Turn off the power: Locate the circuit breaker controlling your water heater and switch it to the "OFF" position. Double-check that the power is off before proceeding.
• Turn off the water supply: Locate the shut-off valves for your water heater – usually found near the top of the tank. Turn these valves clockwise to fully shut off the cold water supply.
• Allow the tank to cool: Let the water heater cool completely before starting the replacement. This will significantly reduce the risk of burns. This may take several hours.
• Gather your tools: You'll need a screwdriver (Phillips and flathead), adjustable wrench, pliers, bucket, towels, and of course, a new replacement element that matches your water heater model.

Step-by-Step Replacement Process:

1. Drain Some Water:

Open a hot water faucet on a lower floor to relieve pressure inside the tank. This will minimize the amount of water spilling when you remove the element.

2. Access the Element:

Locate the element(s) on your water heater. Most electric water heaters have two elements, one at the top and one near the bottom. You'll typically find them on the side of the tank, usually covered by a small access panel or flange secured by screws. Remove these screws to access the element.

3. Disconnect the Wiring:

Carefully disconnect the electrical wiring from the element terminals. Take a picture or make a note of how the wires are connected to ensure you reconnect them correctly. Use pliers to gently loosen any stubborn wire connections.

4. Remove the Element:

Use an adjustable wrench to carefully loosen the element nut. Turn it counter-clockwise. Be prepared for some water to escape. Have a bucket underneath to catch any dripping water. Once the nut is loose, carefully pull the old element out of the tank. The old element may be stuck due to mineral buildup; if so, gently tap it loose with a wooden mallet or rubber hammer. Avoid damaging the tank.

5. Clean the Element Well:

Thoroughly clean the area around the opening where the old element was removed. Remove any mineral scale or debris using a wire brush or a suitable cleaning tool. A clean surface ensures a proper seal for the new element.

6. Install the New Element:

Carefully insert the new element into the tank, ensuring the gasket is properly seated. Tighten the element nut using the adjustable wrench, following the manufacturer's recommendations for torque. Do not overtighten.

7. Reconnect the Wiring:

Reconnect the electrical wiring to the new element terminals, matching the connections to your earlier notes or picture. Ensure a secure connection.

8. Reinstall the Access Panel:

Replace the access panel and secure it with the screws.

9. Turn the Water Supply Back On:

Slowly turn the water supply valves counter-clockwise to turn the water back on. Check for any leaks around the element and the access panel.

10. Turn the Power Back On:

Turn the circuit breaker back to the "ON" position.

11. Test the Water Heater:

Turn on a hot water faucet and check for hot water. If the hot water doesn't come on, double-check all connections and ensure the power is on.

Troubleshooting:

• No Hot Water: Double-check power, water supply, and element connections. A faulty thermostat could also be the culprit.
• Leaking Element: This indicates a problem with the gasket or the element itself. Replace the element. If the leak persists, inspect the tank for cracks or damage.

Replacing a water heater element is a rewarding DIY project, but always prioritize safety. If you encounter any difficulties, don't hesitate to consult a professional plumber. Remember to always refer to your water heater's manual for specific instructions and safety precautions.