Financing Available!

Water Heater Expansion Tank

A water heater expansion tank is a small tank used to protect your water heater from excessive pressure.  The tank is partially filled with air and cushions the shock from water hammer and absorbs excess water pressure caused by thermal expansion.  The modern expansion tank is small and divided in two by a rubber diaphragm.  One side is connected to the pipework of the system and contains water.  The other side-the dry side contains air under pressure and a Schrader valve for checking pressures and adding air. When the heating system is at the low end of the normal range of working pressure, the diaphragm is pushed against the water inlet.  As water pressure increases, the diaphragm moves, compressing the air on the other side.  The rubber diaphragm in expansion tanks prevents the undesired transfer of air and helps maintain low levels of oxygen in the pipes and reduces corrosion in the system.  De Hart Plumbing Heating and Cooling serving Manhattan Kansas, Junction City Kansas, Wamego Kansas and some surrounding areas.Water Heater Expansion Tank

Share This Post

Explore mOre Blogs

Thanksgiving 2022

Thanksgiving 2022

What is your favorite Thanksgiving dish? Did you know that in the beginning, Thanksgiving feasts were comprised of deer, various wildfowl, cod, bass, and flint

Benefits of Heat Pump

Benefits of Heat Pump HVAC Systems

Heat pump HVAC systems are installed and maintained by De Hart Plumbing Heating & Cooling. The benefits of Heat Pump include decreased operating expenses, which

Request a Service or Estimate Today!

Fill out the form below to Request a Service or Estimate and have our team help you with your HVAC and Plumbing needs. Web requests are handled during regular business hours Mon-Fri.