SUB sign with MO in background

Backflow Installation

Commercial Installation Requirements & Drawings

Installation Requirements-Commercial Domestic-Irrigation Service-2 inches and Smaller RPBA (PDF)
Reduced Pressure Backflow Assembly (RPBA) 2 inches and smaller – Above ground installation

Installation Requirements-Commercial Domestic-Irrigation Service-Larger than 2 inches RPBA (PDF)
Reduced Pressure Backflow Assembly (RPBA) Larger than 2 inches – Above ground installation

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

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

Residential Installation Requirements & Drawings

Installation Requirements-Residential Domestic/Irrigation Service-2 inches and Smaller RPBA (PDF)
Reduced Pressure Backflow Assembly (RPBA) 2 inches and smaller – Above ground installation

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

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

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