this 480V HVAC breaker is a staple in high-tonnage package units and industrial chillers

Heavy-Duty Pattern: Designed with a thicker body wall than standard valves to handle the rigors of HVAC water gauge systems

and lockout errors

Industrial Durability: Features a high-quality plated housing and 1/2" conduit connection for reliable protection in rigorous commercial environments

Key Benefits for Contractors: Direct OEM Match: Drops into JS4BD

ASCO 310-421 Rebuild Kit Els PW 29614 this 480V HVAC breaker isThe ASCO 310 421 Rebuild Kit is a comprehensive solution specifically engineered for the maintenance and performance restoration of ASCO 8221G011 solenoid valves. This genuine OEM repair kit contains high grade internal components, including a durable piston assembly, core tube assembly, springs, and various elastomeric seals and O rings designed to withstand the rigorous demands of hot water and steam applications. By replacing worn internal parts