573100A | Replacement Backflow Preventer | Caleffi Maximum Pressure_150PSI **Key Features:** * 1/8 inch

**Key Features:** * 1/8 inch port size * Normally closed operation * Maximum pressure rating: 130 PSI (air)

Its precision machining ensures a snug fit and eliminates play

This flexibility enables you to optimize efficiency and performance for a wide range of tasks

Upgrade your building's environmental monitoring system today to enhance comfort

Resideo RRD6 6" Retrofit Round Damper

573100A | Replacement Backflow Preventer | Caleffi Maximum Pressure_150PSI **Key Features:** * 1/8 inch**Replacement Backflow Preventer: Caleffi NCO 573100A** Caleffi's NCO 573100A is a replacement backflow preventer designed to protect potable water systems from contamination. It features a durable brass body and stainless steel spring for exceptional corrosion resistance and longevity. The backflow preventer has a maximum working pressure of 150 PSI and a temperature range of 33 to 194 degrees Fahrenheit. It operates via a resilient diaphragm that