Indirect Water Heater Expansion Tank

It s best to keep it between the shut off vlv and the water heater just in case the tank is ever isolated by the vlv.

Indirect water heater expansion tank. Both water heaters and boilers for home heating systems can be prone to this kind of damage unless measures are taken to prevent it. Water is essentially incompressible so the thermal expansion kick will be felt anywhere within the system. What type of water heater do you have. The first thing to know is that an indirect water heater is in essence little more than a well insulated storage tank that holds a coiled heat exchanger though a less common version relies on a.

The expansion tank s purpose is to protect your house s hot water system from excessive pressure which can cause damage to fixtures your water heater lines and or fittings. A water heater expansion tank is an additional small thank that is attached to your water heater unit. So when the water pressure gets too high it will flow into your expansion tank instead of damaging your home s plumbing valves fixtures and joints and potentially causing a. Anywhere in the cold water line it doesn t actually need to be close to or next to the water heater.

The hot water expansion tank is a two gallon tank that hangs off of your hot water system or your boiler. However if you have a traditional tank style water heater you will most definitely need to consider if an. It is designed to handle that excess water that builds up. Pressurized air goes below the diaphragm in the bottom half of the tank and water flows.

Water expands as it heats up and without an expansion tank attached to the water heater a closed plumbing system can experience damage from this thermal expansion for example when water is heated from the temperature of 50 to 120 degrees fahrenheit the. More efficient than conventional gas or electric water heaters boilermate indirects provide more hot water use less energy and require no venting or additional utility connections. Inside the tank has a rubber diaphragm at around the mid point of the 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.

This may seem like an easy question but it is also one that many people do not actively think about. It is used to absorb excess water pressure. An expansion tank can help your water heater last longer and it may even be required in some circumstances. How an expansion tank works.

The 316l stainless steel tank resists corrosion and eliminates the need for anode rods allowing for the system to be virtually maintenance free. In a closed plumbing system a standard tank water heater can stress your plumbing pipes and fixtures through the normal thermal expansion that happens when water is heated. When water is heated or a hot water faucet is turned off abruptly pressure builds from expanding water molecules.