Watts 3G-OTH-444410 — Technical Specifications

Name: Watts 3G-OTH-444410 WATTS Reduced Pressure Zone Assembly: LF909 Large, with Flood Detection Sensor, Cast Iron, Flange (MPN LF909-DOSY-FS). Key specifications — Shut-Off Valve Type: OSY Gate Valve; Connection Type: Flange.
Brand: Watts

The Watts LF909 Large is a reduced pressure zone (RPZ) backflow preventer from the Watts RPZ Backflow Preventers product line. This model (SKU 793PG2, MPN LF909-DOSY-FS) features a cast iron body with flange connections and includes an OSY gate valve shut-off valve and a flood detection sensor.

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Technical Specifications

Parameter	Value
Type	with Flood Detection Sensor, Cast Iron, Flange
Connection Type	Flange
Shut-Off Valve Type	OSY Gate Valve
Manufacturer Part Number	LF909-DOSY-FS