
Amana-Goodman B1789896 Kit
The Amana-Goodman B1789896 Kit is a high-precision FLOW CHECK PISTON KIT designed for residential and commercial HVAC refrigerant metering. This critical HVAC expansion device functions as a fixed-orifice flow control, ensuring the accurate distribution of refrigerant into the evaporator coil. Engineered for durability, this Goodman replacement part features a sliding piston design that allows for restricted flow in cooling mode while enabling unrestricted bypass during heating cycles in heat pump applications. By maintaining the correct refrigerant flow regulation, this kit prevents system flooding and optimizes the superheat levels necessary for peak efficiency. Designed as a direct Amana OEM part, it is constructed from high-quality materials to withstand high-pressure environments, ensuring a long service life for your air conditioning or heat pump system. Its streamlined design allows for straightforward installation by qualified technicians, making it an essential component for routine maintenance or emergency repairs in Amana and Goodman HVAC units.
Key Benefits:
- Ensures precise refrigerant metering for optimal cooling performance and system efficiency.
- Features a flow check piston design that enables bidirectional functionality in heat pump systems.
- High-quality construction provides superior resistance to pressure fluctuations and wear.
- Genuine OEM HVAC part ensures exact fitment and seamless compatibility with select Amana and Goodman models.
- Helps maintain target superheat and subcooling levels to protect the compressor from damage.
Common Questions:
- How do I know if I have the correct piston size? Always refer to the outdoor unit's technical rating plate or the manufacturer's piston sizing chart. Using an incorrect size can lead to improper refrigerant charging and system inefficiency.
- Can this piston kit be used as a substitute for a TXV? While some systems allow for conversion, pistons are fixed-orifice devices. Replacing a Thermal Expansion Valve (TXV) with a piston requires verifying compatibility with the specific evaporator coil and condenser match.
- What are the signs of a clogged flow check piston? Symptoms include low suction pressure, high head pressure, and poor cooling performance, often caused by debris or "black gunk" from improper brazing techniques.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
This item is not eligible for free shipping.
Original: $6.74
-65%$6.74
$2.36Amana-Goodman B1789896 Kit
The Amana-Goodman B1789896 Kit is a high-precision FLOW CHECK PISTON KIT designed for residential and commercial HVAC refrigerant metering. This critical HVAC expansion device functions as a fixed-orifice flow control, ensuring the accurate distribution of refrigerant into the evaporator coil. Engineered for durability, this Goodman replacement part features a sliding piston design that allows for restricted flow in cooling mode while enabling unrestricted bypass during heating cycles in heat pump applications. By maintaining the correct refrigerant flow regulation, this kit prevents system flooding and optimizes the superheat levels necessary for peak efficiency. Designed as a direct Amana OEM part, it is constructed from high-quality materials to withstand high-pressure environments, ensuring a long service life for your air conditioning or heat pump system. Its streamlined design allows for straightforward installation by qualified technicians, making it an essential component for routine maintenance or emergency repairs in Amana and Goodman HVAC units.
Key Benefits:
- Ensures precise refrigerant metering for optimal cooling performance and system efficiency.
- Features a flow check piston design that enables bidirectional functionality in heat pump systems.
- High-quality construction provides superior resistance to pressure fluctuations and wear.
- Genuine OEM HVAC part ensures exact fitment and seamless compatibility with select Amana and Goodman models.
- Helps maintain target superheat and subcooling levels to protect the compressor from damage.
Common Questions:
- How do I know if I have the correct piston size? Always refer to the outdoor unit's technical rating plate or the manufacturer's piston sizing chart. Using an incorrect size can lead to improper refrigerant charging and system inefficiency.
- Can this piston kit be used as a substitute for a TXV? While some systems allow for conversion, pistons are fixed-orifice devices. Replacing a Thermal Expansion Valve (TXV) with a piston requires verifying compatibility with the specific evaporator coil and condenser match.
- What are the signs of a clogged flow check piston? Symptoms include low suction pressure, high head pressure, and poor cooling performance, often caused by debris or "black gunk" from improper brazing techniques.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
This item is not eligible for free shipping.
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Description
The Amana-Goodman B1789896 Kit is a high-precision FLOW CHECK PISTON KIT designed for residential and commercial HVAC refrigerant metering. This critical HVAC expansion device functions as a fixed-orifice flow control, ensuring the accurate distribution of refrigerant into the evaporator coil. Engineered for durability, this Goodman replacement part features a sliding piston design that allows for restricted flow in cooling mode while enabling unrestricted bypass during heating cycles in heat pump applications. By maintaining the correct refrigerant flow regulation, this kit prevents system flooding and optimizes the superheat levels necessary for peak efficiency. Designed as a direct Amana OEM part, it is constructed from high-quality materials to withstand high-pressure environments, ensuring a long service life for your air conditioning or heat pump system. Its streamlined design allows for straightforward installation by qualified technicians, making it an essential component for routine maintenance or emergency repairs in Amana and Goodman HVAC units.
Key Benefits:
- Ensures precise refrigerant metering for optimal cooling performance and system efficiency.
- Features a flow check piston design that enables bidirectional functionality in heat pump systems.
- High-quality construction provides superior resistance to pressure fluctuations and wear.
- Genuine OEM HVAC part ensures exact fitment and seamless compatibility with select Amana and Goodman models.
- Helps maintain target superheat and subcooling levels to protect the compressor from damage.
Common Questions:
- How do I know if I have the correct piston size? Always refer to the outdoor unit's technical rating plate or the manufacturer's piston sizing chart. Using an incorrect size can lead to improper refrigerant charging and system inefficiency.
- Can this piston kit be used as a substitute for a TXV? While some systems allow for conversion, pistons are fixed-orifice devices. Replacing a Thermal Expansion Valve (TXV) with a piston requires verifying compatibility with the specific evaporator coil and condenser match.
- What are the signs of a clogged flow check piston? Symptoms include low suction pressure, high head pressure, and poor cooling performance, often caused by debris or "black gunk" from improper brazing techniques.
Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.
This item is not eligible for free shipping.












