SMC (6550090) 1215 Series Brass Check Valve ; 3/4" FNPT x 3/4" FNPT BUNA 16 inch Poly Wound Pressure Vessel extending the service life of

extending the service life of downstream equipment like ice machines

Best used as a specialty stage in multi-stage filtration systems or as a standalone solution for iron staining and lead contamination

Compatible with all major brands including APEC

and maintain consistent performance without manual intervention

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

SMC (6550090) 1215 Series Brass Check Valve ; 3/4" FNPT x 3/4" FNPT BUNA 16 inch Poly Wound Pressure Vessel extending the service life ofSMC 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