Goodman B1789868

Flow Check Piston Kit (M20) from Goodman B1789868 delivers precise flow diagnostics for HVAC systems. Built for reliable field testing, this kit helps technicians verify refrigerant flow and air flow with confidence, ensuring efficient performance and timely preventive maintenance.

Designed to fit Goodman equipment and compatible with standard M20 configurations, the Flow Check Piston Kit simplifies routine service and troubleshooting. Its robust construction thrives in busy service environments, providing consistent, repeatable measurements for HVAC diagnostics.

As a dependable maintenance tool, it supports accurate refrigerant flow checks, quick assessments of system performance, and long-lasting reliability in the field. Use it to streamline workflows, reduce downtime, and keep Goodman systems operating at peak efficiency.

• Compact, durable flow-check kit for on-site diagnostics
• M20 piston assembly designed for precise measurements
• Easy installation with standard service ports
• Ideal for preventive maintenance and troubleshooting of Goodman systems
• Part of the Goodman B1789868 family for reliable, long-term use

This Flow Check Piston Kit (M20) is a must-have maintenance tool for HVAC professionals, delivering accurate results every time and supporting efficient refrigerant-flow management across residential and light commercial applications.