| Posted by Terry Love on April 25, 1998 at 13:19:11: | |
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| In response to Re: Thermal expansion problem | |
![]() John, If your Plumbing Code requires a Backflow Preventer, Check Value or Pressure Reducing Valve, You Need a THERM-X-Trol on Every Job. With a closed system, you will need a means of allowing expansion as the water heats. Terry |
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