Will tying into the Southwest Water Authority system affect my existing plumbing?

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Our system will provide for a pressure of 45 psi in most cases. If your present system is less that 45 psi, it is possible that some of your existing piping may leak. However, most systems should be able to handle the 45 psi we are providing. Also, if you are removing your in-line pressure tank, make sure your hot water heater is protected for expansion. The State Plumbing Code requires that provisions must be made for hot water expansion. See attachment which provides information on a simple type device which is available for thermal expansion. Consult with your plumber for specific needs as they apply to your system. Hot water expands and if no provisions are made for this condition, they can explode.