Description
The OEM Waterway Pressure Relief Screw with O-Ring 550-4240 is a critical safety component for Waterway Crystal Water Cartridge and DE filters. This two-piece kit allows controlled venting of excess internal pressure, safeguarding your filtration housing and internal parts from potential damage. Supplied with a precision-threaded screw and a matching sealing O-ring, it delivers a snug, drip-free fit on Waterway plastic filter bodies. Keeping this part in good condition is fundamental to safe system operation and sustained filtration efficiency over time.
