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10 Common Mistakes People Make When Installing Water Heater

When it comes to choosing and installing a water heater, there are many things to consider. If you’re not familiar with water heaters, or if you’ve never installed one before, it’s easy to make mistakes that can cost you time and money. In this blog post, we’ll discuss 10 common mistakes people make when installing water heaters. We’ll also provide tips on how to avoid these mistakes. Thanks for reading!

water heater technician working in home.
water heater technician working in home.

1. Not following the manufacturer’s instructions –

Always follow the manufacturer’s instructions when installing a water heater. Ignoring these instructions can void the warranty and lead to serious problems.

2. Not securing the water heater –

Water heaters must be securely fastened to prevent them from tipping over and causing damage or injury.

3. Not using dielectric fittings –

Dielectric fittings are required to isolate dissimilar metals and prevent corrosion. Make sure to use them when connecting copper and galvanized pipes.

4. Not venting the water heater properly –

Venting is essential for water heaters to function properly and safely. Be sure to follow all local codes when venting your water heater.

5. Not draining the water heater –

Water heaters need to be drained periodically to remove sediments that can build up over time. Failing to do this can shorten the lifespan of the water heater.

6. Not insulating the pipes –

Water pipes should be insulated to prevent heat loss and save energy. This is especially important for hot water pipes.

7. Not testing the pressure relief valve –

The pressure relief valve is a safety device that should be tested regularly. If it is not working properly, it could lead to a dangerous situation.

8. Not maintaining the water heater –

Water heaters need to be flushed and the anode rod replaced periodically to maintain optimal performance. Neglecting these maintenance tasks can shorten the lifespan of the water heater.

9. Not venting the gas –

Gas-fired water heaters need to be properly vented to prevent deadly carbon monoxide from building up in the home.

10. Not following the manufacturer’s instructions –

Water heaters come with specific instructions for installation and maintenance. It is important to follow these instructions to ensure safe and proper operation of the water heater.

the heating element in water heater is covered with rust and scale, with screws on the background of the boiler, lying on a wooden table.

No one wants to have to deal with a water heater emergency, so it’s important to make sure that your water heater is installed correctly the first time. If you’re not confident in your ability to install it yourself, or if you just want the peace of mind that comes with knowing a professional did the job right, contact us and we’ll be happy to help. We have years of experience installing water heaters and can get the job done quickly and efficiently so you can start enjoying hot showers again.


Laura is a marketing manager at All Star Plumbing & Restoration. With years of experience in the plumbing industry, she loves to create awareness about the causes, problems, and repair solutions of water damage and slab leak. She shares expert tips to lower utility bills and keep your AC, heater, and other appliances in optimum condition leading to longer lifespan.

Check all the recent articles and know everything about water damage repair, slab leak repair, tools to remove clogging, and HVAC appliances installation, maintenance, and repair.



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