Can you put a expansion tank on the hot water side?

Although expansion tanks can be installed on the hot side, we strongly recommend they be installed on the cold line, downstream of the shutoff valve.

Can a thermal expansion tank be installed sideways?





Can a water heater thermal expansion tank be installed sideways/horizontally? Most expansion tanks are designed to be installed vertically (stem up or stem down). You can install one sideways, but it will shorten the lifespan unless it is designed and specified by the manufacturer for horizontal installation.

What position should expansion tank be installed?

An expansion tank is generally installed directly above the water heater by means of a tee-fitting installed in the cold water delivery pipe. The expansion tank is usually installed vertically, though it is acceptable to install it horizontally if it is necessary because of space limitations.

Can a thermal expansion tank be installed upside down?

When mounted if the in coming part is facing down that is the best way to install. When water enters there may be sediment. With the inlet on the bottom the sediment can drain out.

Where does the expansion vessel go on an unvented cylinder?

What Is an Expansion Vessel? If you’ve noticed that there’s a smaller tank attached to your water cylinder, this is the expansion vessel. It may be mounted to the top of the cylinder, or it could be attached in some other location. With some models, it is actually within the casing of the water heater.

How do you install a hot water heater expansion tank?





Quote from the video:
Quote from Youtube video: And then just unscrew the expansion tank once it's nice and loose you can just spin it right off. And lift it off and out of the way.

Can you fit an expansion vessel on it’s side?

In general, the tank can be installed vertically above or below the plumbing, or horizontally. Typically, the tank is only required to be supported when installed in the horizontal position.

How close should expansion tank be to water heater?

The items which should be installed in sequence in the cold water line are (1) the EXPANSION TANK must be installed at least 18 inches away from the cold water inlet fitting on the water heater, (2) the PRESSURE GAUGE, and (3) the PRESSURE REDUCING VALVE, if required, see Figure 1.

Can you put a pressure tank on its side?

Answer; Yes it is a factor, the tanks are designed to sit air stem up or air stem down.

Does an expansion tank have to be upright?



Expansion tanks can be installed in any direction. Whether oriented uprightly, horizontally, or even upside down, the expansion tank will function properly without any adverse effects.

What happens if you don’t have thermal expansion tank?

Now that might not seem so bad but if you don’t have an expansion tank, a closed system doesn’t give expanded water any route for escape, causing damage to your home’s water heater and plumbing. Here’s what we mean: When water is heated inside your water heater, it expands.

What size expansion tank do I need for a 50 gallon water heater?

For a 50-gallon water heater, you require a 2-gallon expansion tank. Depending on how high your water pressure is, however, you may need to go up a size to a 4.5-gallon expansion tank.

What happens if expansion tank pressure is too high?



If the pressure is too high, it can wreck even a new expansion tank. Too low of psi, and the bladder will never “squish” to take up expansion. The psi on the in line psi after the PRV, and the precharge on the expansion tank should be the same.

What happens if expansion tank is full?

Understanding Expansion Tanks



An expansion tank is used to prevent issues related to excess pressure from your home’s hot water supply. Without it, you would be at risk for damage to your water lines, fittings, and water heater.

Can PEX be used for expansion tank?

Cut a piece of PEX to run between the expansion tank and the tee-fitting that you inserted in the hot water tank cold water supply line. If you have other fittings between the two, you will need to cut pieces of PEX to connect those as well.

Do I need an expansion tank on my water heater?

If your home has a “closed” plumbing system, then yes, you’ll need an expansion tank. You see, homes have either an open or a closed plumbing system. A closed plumbing system prevents water from flowing in the reverse direction (i.e., water won’t flow back into city lines once it enters your home’s pipes).

Can you use PEX on a hot water heater?



Can I Connect PEX to My Water Heater? PEX can’t be directly connected to a water heater. First extend a pipe 18 in. from your water heater and connect the PEX to the pipe.

What is the difference between an expansion tank and a pressure tank?

The biggest difference between pressure tanks and expansion tanks is in where they’re used. Expansion tanks are installed above a water heater and help to protect it when hot water expands. Pressure tanks are installed near your well pump and help to protect and extend its lifespan.

What happens when an expansion tank fails?

Oftenthe diaphragm dividing the two systems will fail, causing the two systems to become one. When this happens, the expansion tank turns into a “dead leg” that will eventually cause damage and premature failure to your water heater.

How do I know if my expansion tank is working?

Finally, testing your Thermal Expansion Tank is important and should be tested once a year when you flush your water heater. If your Thermal Expansion Tank is hanging from a pipe, you would push the Schrader Valve (air valve), located on the bottom of the tank, if the air is released then the tank is working properly.