The whistling sound should be considered a warning that your water heater is malfunctioning. It is a warning that requires immediate attention from a certified HVAC or plumbing professional. Whistling from the water heater can indicate excess pressure building within the tank and problems with the TPR valve.
Is it bad if my water heater is whistling?
If you only hear the whistling sound on rare occasions, then you don’t need to be concerned. However, if you hear the whistling noise frequently, it could mean your water heater is battling constant high pressure, which is bad for your water heater and potentially dangerous.
How do you stop a hot water heater from whistling?
The Drain Valve Is Loose
Sometimes, that valve can come loose. Similar to the worn-out connections, this can let air slip by, which then creates the whistling noise you’re hearing. Side note: we recommend flushing your water heater at least once a year. This can help reduce water heater noise.
Why does my water heater make a high pitched noise?
A high pitched noise from your water heater can be the result of high incoming water pressure. This can be a problem and should be diagnosed and repaired as quickly as possible. Water heaters are designed with a temperature / pressure relief safety valve.
Why is my hot water heater making a whining noise?
The main reason for a whining water heater is because of a buildup of sediment in the tank. Hook up a garden hose to the draincock on your water heater. Place the other end of the house outside, either by a sewer drain or in the street, to allow for a clean draining.
Can a water heater explode?
While rare, residential water heater explosions do occur and can be deadly. Explosions are possible with both gas and electric tank water heaters, primarily those that are poorly maintained.
Is it normal for a water heater to hiss?
One of the most common reasons for a hot water heater to make a hissing sound is because condensation is coming into contact with a hot surface. This sound will often occur after a long shower or when the dishwasher is running — any time you use a large amount of hot water — and is a fairly normal occurrence.
Should water heater make noise?
Although the noise may be annoying, it is not a sign of anything wrong with your water heater. No action required, here. If there is a leak in your water heater, that could cause a sizzling sound. The sizzle occurs when leaking water drips onto the burner.
How long do water heaters last?
It would be nice to know when the time is right to replace your water before it springs a leak and causes an inconvenience or worse yet, damage to your home. Typically a residential hot water heater lasts between 6 and 13 years. Beyond 12 years, you are on borrowed time!
What are signs that your hot water heater is going out?
5 Signs Your Hot Water Heater is Going Out
- You’re Not Getting Much (or any) Hot Water. A good water heater should be capable of supplying you with enough hot water to get you through the day. …
- Leaks Are Forming. …
- Odd Noises Coming From Your Heater. …
- Rust in Water. …
- Your Unit is Just Plain Old.
How do you know when you need a new water heater?
Here are the five signs you need a new water heater in your home
- Your older water heater is getting up there in age. …
- It’s making strange noises. …
- You’re getting rusty water out of the tap. …
- Your hot water doesn’t last as long as it used to. …
- There are water puddles around the unit.
How do you know when it’s time to replace your water heater?
5 Signs It’s Time to Replace Your Water Heater
- The System Age.
- Loss of Hot Water Volume.
- Rising Heating Bills.
- Corrosion.
- Reddish Discoloration in the Water.
- Too Many Repairs.
How often should you flush a water heater?
How Often Should I get My Water Heater Flushed? It is recommended that you flush your water heater at least once per year. Doing so will help to prevent the potential problems that sediment can bring over time.
Can a hot water heater last 20 years?
Most tank water heaters have an average lifespan of 8 to 12 years, and tankless water heaters can last as long as 20 years.
