Is An Expansion Tank Required For A Water Heater In California

Most warranties for plumbing fixtures and water heaters become null and void when the products are subjected to excessive pressure.

Is an expansion tank required for a water heater in california.

What type of water heater do you have. Some may tell you that an expansion tank is required at every water heater but that isn t in the irc. What is required is a means for controlling increased pressure caused by thermal expansion where required and that s only necessary under certain conditions. If water pressure gets high enough it can damage valves in plumbing fixtures joints in supply pipes and even the water heater.

These restrictions are meant to reduce the risk of co poisoning. Both water heaters and boilers for home heating systems can be prone to this kind of damage unless measures are taken to prevent it. Thermal expansion always occurs in water heaters. A properly sized and installed expansion tank protects the water heater and other water system components from excessive water pressure within the range of the regulator setting and the relief valve setting.

An expansion tank is installed on the water supply pipe to the water heater. However if you have a traditional tank style water heater you will most definitely need to consider if an. Location in the case of gas or propane heaters the location for your heater may be restricted. The expansion tank gives the excess hot water a place to flow into eliminating unnecessary stress on your hot water heater and saving you from inconsistent hot water pressure.

A sediment trap is required per cpc section 1212 9. Where requirements for expansion tanks show up in local codes they ve been added in. This may seem like an easy question but it is also one that many people do not actively think about. Some even lacked the knowledge of what a water heater expansion tank is and it is my goal today to tell you all about the two things i am going to talk about today.

Now before we go in deeper though i would like to tell you about all the things needed in a water heater so that water heater can operate efficiently and without any hicks. 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. Its purpose is to deal with thermal expansion of water as it heats up in the water heater. Manufacturer s recommendations shall be followed.

This can be a problem in any closed system where water is heated. Signs that you need a water heater 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.