SMC (6550090) 1215 Series Brass Check Valve ; 3/4" FNPT x 3/4" FNPT BUNA Activated Alumina1459 and factory-installed bracket with differential

and factory-installed bracket with differential pressure gauge compatibility

Installing the Q5328 Twist Off Filter

consider using a 90-degree elbow or street elbow to reposition the gauge face

💧 Test your tap water first to establish a baseline TDS reading

Model Number IF109009

SMC (6550090) 1215 Series Brass Check Valve ; 3/4" FNPT x 3/4" FNPT BUNA Activated Alumina1459 and factory-installed bracket with differentialSMC 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