Goodman B1789880 Flow Check Piston KitFlow Check Piston Kit (m20) from Goodman B1789880 delivers precise refrigerant flow testing for M20 systems. This flow check solution is a must have for HVAC technicians performing refrigeration maintenance, diagnostics, and system verification. Built for professional use, this piston kit integrates into your HVAC tools lineup, helping you quickly verify flow accuracy and optimize service outcomes. Whether you're performing routine maintenance or

This rebuild kit is compatible with common ASCO valve configurations and supports routine calibration

This replacement part is crafted for durability and easy installation

A furnace circuit control board

Body: Forged Brass

It accepts 120 VAC at 60 Hz or 110 VAC at 50 Hz and draws 15

Durability: General-purpose solenoid valve built for reliable

keeping your space cohesive

making it well-suited for tight spaces where precise piping alignment matters

It delivers a tight seal and straightforward installation in commercial and residential settings

Port size: 3/4" NPT

this 115V draft inducer supports a range of replacement projects and helps maintain safe

Body size: 1-1/4 inch diameter x 5 inch length