Watts 0391011 Valve 30067439-890 is a critical safety component

is a critical safety component for industrial and commercial combustion systems

Precision Tuning: Includes a cutout knob adjustment for field-calibrating high and low limits without removing the cover

The compact 1/2" inlet and outlet connections allow for seamless installation in tight burner vestibules

Versatile Compatibility: Seamlessly pairs with Belimo non-spring return (TR

the device must be installed with the diaphragm in a vertical plane

Watts 0391011 Valve 30067439-890 is a critical safety componentStandardize your high hazard cross connection protection with the Watts 0391011 (Model 1. 5" LF909M1 QT). This Reduced Pressure Zone (RPZ) backflow preventer is the official lead free replacement for the legacy 0385718 series, engineered for containment at the service line entrance or for residential and commercial health hazard applications. Built with a lead free silicon bronze body, this assembly utilizes the patented air in water out principle to