Description
Goodman B1789873 FlowCheck Piston Kit Overview
The Goodman B1789873 FlowCheck Piston Kit is an OEM-grade refrigerant metering component engineered for use in Goodman and Amana heat pump and air conditioning systems. Designed as a direct factory replacement, this piston kit delivers reliable, fixed-bore refrigerant flow control to maintain proper system balance, efficiency, and performance across heating and cooling cycles.
What Is a FlowCheck Piston?
A FlowCheck piston is a fixed-orifice metering device that regulates the flow of refrigerant into the evaporator coil. Unlike a thermostatic expansion valve (TXV), the FlowCheck piston uses a precisely sized bore to meter refrigerant based on system design parameters. This simple, durable design reduces potential points of failure while ensuring consistent refrigerant distribution matched to the system’s tonnage and refrigerant type.
Key Features
- OEM Goodman replacement part — SKU B1789873
- Fixed-bore piston design for consistent, reliable refrigerant metering
- Engineered to match specific Goodman and Amana system configurations
- Supports proper system balance during both heating and cooling operation
- Durable construction for long service life with minimal maintenance
- Direct drop-in replacement for simplified installation
Applications
The Goodman B1789873 FlowCheck Piston Kit is intended for use in compatible Goodman and Amana residential heat pump and split-system air conditioning equipment. Always verify compatibility with the specific model and tonnage of the equipment being serviced before installation.
Why Choose OEM Goodman Parts?
Using genuine Goodman OEM components ensures that your system operates within factory specifications, protecting equipment warranties and delivering the efficiency and reliability your customers expect. The B1789873 FlowCheck Piston Kit is the correct, manufacturer-approved solution for refrigerant metering replacement or service on applicable Goodman systems.
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