Built with a rugged bronze body and a stainless steel spring

Whether you are performing a full system overhaul or a critical emergency replacement

withstanding temperatures from 14°F to 230°F and a maximum working pressure of 145 PSI

Precision Control: Features a selectable cycle rate to match specific equipment requirements and reduce mechanical wear

Armstrong Fluid Technology 810150-143 Seal Freon Built with a rugged bronzeThe Armstrong Fluid Technology 810150 143 Seal is a high performance mechanical seal kit engineered for precision and durability in commercial HVAC systems. Specifically designed for Armstrong Series 4300 pumps, this EPDM mechanical seal ensures a leak proof barrier, maintaining optimal pressure and system efficiency. Utilizing silicon carbide or high grade carbon faces, the 810150 143 replacement seal provides superior resistance to thermal stress