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  • None Plumbers Edge 30 Expansion Tank
  • None Plumbers Edge 30 Expansion Tank

None Plumbers Edge 30 Expansion Tank

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Boilers operate at low pressure to prevent pressure from building when the water is heated. The system must have a place for this water to go that is the job if the expansion tank. Heated water pushes against the diaphragm pushes the water back into the system.