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NEFA
Special Order
NEFA

Nefa 20mm DR Brass Female Non Return Isolation Valve

I/N: 0092378

$48.90

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  • Cast DR brass body
  • Can be installed horizontally or vertically
  • Isolation function shuts-off the sold water supply to the water heater during servicing
The non return and isolating valve (NRI) provides two functions; an isolating and non-return function. The valve provides a non-return function if the upstream pressure is greater than the supply pressure, and the isolating function is used when servicing the water heater during servicing.