Backflow Preventer, 4 In, Cast Iron4 909 NRS 376943
Average Rating: n/a
|Type||Reduced Pressure Zone, Non Rising Stem|
|Material of Construction||Cast Iron|
|Temp. Range (F)||33 to 110|
|Max. Temp. (F)||110|
|Max. Pressure (PSI)||175|
- Watts Series 909
- Help prevent the reverse flow of polluted water into the potable water supply due to backsiphonage and backpressure.
- 2-1/2" to 4" models have flanged end connections.
- 1KYC1, 1KYC2, 1KYC3, 1KYC4, 1KYC5, 1KYC6, 1KYC7, 1KYC8 meet ASSE 1013, AWWA C-511-92, CSA B64.4; 1KYD1, 1KYD3, and 1KYD5 meet USC standards.
- Bronze body; except Watts Series 909 1KYD1, 1KYD3, and 1KYD5 are cast-iron Max. pressure: 175 psi NPT connections, except Wilkins Series 975XL is FNPT