Armstrong AS1270-243 Cover Gasket O-Ring for and Suction Diffusers Plumbing Parts & Accessories - SG-33 SG-43

The Armstrong AS1270-243 is a genuine OEM replacement cover gasket o-ring designed specifically for Armstrong Fluid Technology model SG-33 and SG-43 suction diffusers. This critical sealing component ensures proper operation and system integrity in pumping applications.

Key Features:

• EPDM elastomer construction with 4.109 inch inner diameter and 0.139 inch cross-section
• Compatible with SG-33 and SG-43 suction diffuser models
• High-performance elastomer offers excellent wear resistance and sealing capability
• Essential maintenance component for maintaining system efficiency and preventing leaks
• Genuine Armstrong Fluid Technology replacement part

This o-ring is manufactured from durable EPDM (ethylene propylene diene monomer) rubber, providing superior resistance to water, steam, and temperature extremes commonly found in HVAC and hydronic system applications. Regular replacement of this gasket during routine maintenance helps ensure reliable, leak-free operation of your suction diffuser assembly.