Water Heater Expansion Tank Installation

What type of water heater do you have.

Water heater expansion tank installation. The tank has two sections that are separated by a rubber valve. I explain that there are two main instances that trigger the need for an. Determine the size of water heater expansion tank you will need. Instructions new water heater installation attach a dielectric union after the water heater is correctly positioned attach a dielectric union to the cold water.

The thermal expansion relief valve can replace a water heater expansion tank because it functions similarly. This may seem like an easy question but it is also one that many people do not actively think about. Check the pressure of air inside the thermal expansion tank. If your unit is fixed to a supply line with a shut off valve switch off the water flow from the supply line to your building.

If you are using a saddle valve you just need to screw it correctly and no welding is required. When your water thermally expands a water heater expansion tank prevents unwanted increases in pressure. Both products absorb the excess pressure in the plumbing system created by thermal expansion. Make sure that it can enter through the horizontal part and the water heater.

You install the expansion tank down the line from the inlet valve that sends hot water into your home. Attach copper adapter wrap several loops of pipe sealing tape around the top threads of the union then thread a female. It should be close to 50 psi. To deal with the thermal expansion of water you install the extension tank to the water supply pipe to prevent water pressure from getting too high.

The pressure should be equal to the maximum water pressure. The implication of too much pressure in the conduit pipes is the severe damage to joints fixtures valves as well as the water heater and so the expansion tank acts as a safety device. Water expands by roughly 2 as it heats up from 50 f to 120 f. Once the water swells it will carry an extra weight so you should be able to hold the extra water it will carry.

However if you have a traditional tank style water heater you will most definitely need to consider if an. In this video my son and i replace a water heater and install a new expansion tank. If you have a tankless water heater you don t have to worry about an expansion tank because you don t have a primary tank to begin with. How to install a thermal expansion tank instructions check the water pressure in your home.

If it is higher than 80 psi install the pressure. Hang the expansion tank above the cold water supply. How to install water heater expansion tank step 1. This is based on how many gallons of water your.

As plumbers know the expansion tank equalizes pressure throughout the plumbing system by providing a space for hot water to flow into. When you heat water it expands and since it is not compressible the pressure in the pipes increases if there is no more room.