Springfield Utility Board

Installers

Backflow assemblies must be installed according to Springfield Utility Board (SUB) Water Division installation requirements, which are posted below.

Additional information is included in our Cross-Connection Control Program Full Manual.

After an assembly is installed, please call (541) 726-2396 to request an inspection.  Please provide the following information:
•    The backflow preventer make, model, size, and serial number.
•    Where the backflow preventer is located on the property (i.e. looking from the street, left side of house next to AC).

 

Residential Installation Requirements

Installation Requirements-Residential Dom-Irrg Service-2in and Smaller RPBA
Reduced Pressure Backflow Assembly (RPBA) 2” and smaller – Above ground installation

Installation Requirements-Residential Fire Service-2in and Smaller DCVA
Reduced Pressure Backflow Assembly (RPBA) 2” and smaller – Above ground installation

Installation Requirements-Residential Fire Service-2in and Smaller RPBA
Double Check Valve Assembly (DCVA) 2” and smaller – Above ground installation

Installation Requirements-Residential Irrigation System-2in and Smaller RPBA
Reduced Pressure Backflow Assembly (RPBA) 2” and smaller – Above ground installation

 

Commercial Installation Requirements

Installation Requirements-Commercial Dom-Irrg Service-2in and Smaller RPBA
Reduced Pressure Backflow Assembly (RPBA) 2” and smaller – Above ground installation

Installation Requirements-Commercial Dom-Irrg Service-Larger than 2in RPBA
Reduced Pressure Backflow Assembly (RPBA) Larger than 2” – Above ground installation

Installation Requirements-Commercial Fire Service-Larger than 2in DCDA
Double Check Detector Assembly (DCDA) Larger than 2” – Above ground installation

Installation Requirements-Commercial Fire Service-Larger than 2in RPDA
Reduced Pressure Detector Assembly (RPDA) Larger than 2” – Above ground installation

 

 

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