SMC (6550090) 1215 Series Brass Check Valve ; 3/4" FNPT x 3/4" FNPT BUNA 16 inch Poly Wound Pressure Vessel Commercial RO systems using 2

Commercial RO systems using 2

Prevents TDS creep in high-performance GE Merlin Direct Flow systems with a dedicated accumulator flush cycle

and maintain consistent performance without manual intervention

ELF 1ML-KDF Carbon Block Filter with KDF-55 Media

and treatment systems using Autotrol valve assemblies that require 1/4" male NPT air check valve connections

SMC (6550090) 1215 Series Brass Check Valve ; 3/4" FNPT x 3/4" FNPT BUNA 16 inch Poly Wound Pressure Vessel Commercial RO systems using 2SMC 6550090 1215 Series Brass Check Valve 3 4" FNPT threaded brass check valve with BUNA seal for reliable backflow prevention in residential and light commercial water systems Brass Construction 3 4" FNPT BUNA Seal WHY IT WORKS Prevents Backflow and Protects Equipment One Way Flow Control Spring loaded mechanism ensures water flows in only one direction, protecting pumps, tanks, and filtration equipment from reverse flow damage Brass Body