We sell only genuine Hydrotech ® parts.
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The o-ring fits between the adapter and the valve body and helps to create a seal. It is made of rubber and is sold individually. This is an OEM part sourced directly from the manufacturer and used in water softener meters, twin tank valves, and filters made by Hydrotech and Novatek. You may need a set of pliers when replacing this part. It may become broken and will need to be replaced.
It is a genuine item that is supplied by the original equipment manufacturer for use with Hydrotech and Novatek water softeners. This is an identical replacement for a missing or a damaged clip that was installed on a new unit. Please make sure to check the appropriate diagrams for your model for the correct location and application of this hardware. Keep in mind this high-quality item is made of durable plastic and is sold as an individual item.