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Ships within 48 hours · Estimated delivery Aug 29 - Sep 3
It is for burner service with extra terminal for line voltage single pole
UPC - 098268352405
UPC - 098268503708
Specifications Compatible Series or Model 919 Compatible Size Used On 3/4 IN Kit Contents Check Assembly
Watts LF909-OSY-NYC-FS 4 - Part of the LF909 Large Series Egress System It is for burner serviceThis 4 inch lead free reduced pressure zone backflow preventer assembly prevents the reverse flow of polluted water from entering into the potable water supply due to backsiphonage and or backpressure. This assembly consists of an epoxy coated cast iron body, OSY resilient seated gate valves, captured spring check valves, replaceable seats, top mounted test cocks and a field reversible pressure differential relief valve. The coating on this backflow
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