Bard 8603-013 - Diaphragm assembly for 8603-006 valve

Bard 8603-013 is an OEM diaphragm assembly used as a service replacement for the Bard 8603-006 1 inch normally open 24V geothermal water valve. This diaphragm helps the valve open and close smoothly to regulate water flow through the unit, which supports proper heat transfer and stable system operation in Bard geothermal and water source applications. If your valve is leaking, not closing fully, or failing to respond consistently, replacing the internal diaphragm assembly with the correct Bard 8603-013 part is a practical repair that maintains factory fit and dependable sealing performance; confirm valve model and size before ordering to ensure compatibility.

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