D8155 | 665 Control Vlv O-Ring & Gaskt | Armstrong International

665 Control Valve O-Ring & Gasket: The D8155 Armstrong International O-Ring & Gasket is a replacement part for 665 control valves. Manufactured by Armstrong International, this replacement O-Ring & Gasket ensures the proper functioning of your control valve system. Made with quality materials, this O-Ring and Gasket provide a tight seal to prevent leaks and ensure efficient valve operation. Shop our HVAC supply store for your industrial valve needs – we offer the best prices and fast shipping!