4ALF-20A-02 | 4"flgBackflowPrvntrNRS Shutoff | Conbraco Industries Thermostatic Charge_Z this C-washer is ideal for

this C-washer is ideal for use with #10 bolts and screws

and a control panel

**Applications:** * Residential and commercial water heaters * Boilers * Hydronic heating systems Trust our HVAC supply store for all your industrial supply needs

it is designed for long-lasting use and corrosion resistance

this pilot burner integrates seamlessly into existing equipment without occupying excessive space

4ALF-20A-02 | 4"flgBackflowPrvntrNRS Shutoff | Conbraco Industries Thermostatic Charge_Z this C-washer is ideal for4"flgBackflowPrvntrNRS Shutoff from Conbraco Industries (4ALF 20A 02) is an essential component for industrial and commercial plumbing systems. This 4 inch backflow preventer, equipped with a non rising stem (NRS) design, effectively prevents backflow or reverse flow of water into the potable water supply. The NRS feature ensures that the stem remains stationary during valve operation, eliminating potential leakage and maintenance issues. Crafted by