This dual-stage vacuum pump features a robust 3/4 HP DC motor that maintains consistent torque across high pressures

protecting the expansion valve from premature wear and ensuring HVAC system reliability

preventing the microamp drop-offs common with generic alternatives

this unit serves as the direct replacement for HC98ZZ480

Parker 76728 Repair Kit Els PW 17895 This dual-stage vacuum pump featuresAs an HVACR pro, you know a leaking or sluggish solenoid can shut down an entire system, especially in high demand steam and hot water applications. The Parker 76728 Jackes Evans Repair Kit is the industry standard solution for rebuilding GP307 and GP407 series solenoid valves. Designed specifically for 3 8" and 1 2" internal pilot operated configurations, this comprehensive kit allows you to service the pressure vessel and restore factory spec