Trane VAL18925 TXV
HomeStore

Trane VAL18925 TXV

Trane VAL18925 TXV

The Trane VAL18925 TXV is a high-capacity, thermostatic expansion valve engineered for critical refrigerant metering in R22 HVAC systems. Built for large-scale performance, this 30-ton expansion valve utilizes a 7/8" x 1-1/8" ODF connection to ensure secure, leak-resistant brazed fitting in demanding commercial and industrial evaporator circuits. As a genuine Trane OEM replacement part, the VAL18925 provides the precise superheat control required to maintain optimal heat exchange and protects the compressor from liquid slugging. This valve is a direct-fit solution for technicians servicing legacy Trane chillers and rooftop units that require a heavy-duty thermal expansion valve to manage high mass flow rates. By regulating the flow of R22 refrigerant with factory-calibrated accuracy, this component optimizes coil efficiency and restores system balance to original manufacturer specifications.

Key Benefits

  • Precise Superheat Regulation: Maintains consistent evaporator temperatures to maximize cooling output and energy efficiency.
  • Direct OEM Compatibility: Engineered specifically for Trane equipment to ensure seamless integration with existing refrigerant lines and sensing bulbs.
  • Industrial Grade Construction: Designed to handle 30-ton cooling capacity, making it ideal for large-tonnage commercial applications.
  • Secure ODF Connections: Features 7/8" inlet and 1-1/8" outlet solder connections for a high-pressure, permanent seal.
  • Compressor Protection: Prevents refrigerant floodback, effectively extending the service life of expensive reciprocating or scroll compressors.

Common Questions

Is the VAL18925 compatible with R407C retrofits?
While originally designed as an R22 expansion valve, compatibility depends on the specific oil and pressure curve of the retrofit refrigerant. It is recommended to verify the power element charge before use in conversion scenarios.

What are the specific port sizes for this TXV?
This unit features a 7/8" ODF inlet and a 1-1/8" ODF outlet, typical for 30-ton HVAC components used in large-diameter piping runs.

Does this valve include the external equalizer line?
Yes, for a valve of this tonnage, an external equalizer is standard to compensate for large pressure drops across the evaporator coil, ensuring accurate sensing bulb response.

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.

$399.52

Original: $1,141.48

-65%
Trane VAL18925 TXV

$1,141.48

$399.52

Trane VAL18925 TXV

The Trane VAL18925 TXV is a high-capacity, thermostatic expansion valve engineered for critical refrigerant metering in R22 HVAC systems. Built for large-scale performance, this 30-ton expansion valve utilizes a 7/8" x 1-1/8" ODF connection to ensure secure, leak-resistant brazed fitting in demanding commercial and industrial evaporator circuits. As a genuine Trane OEM replacement part, the VAL18925 provides the precise superheat control required to maintain optimal heat exchange and protects the compressor from liquid slugging. This valve is a direct-fit solution for technicians servicing legacy Trane chillers and rooftop units that require a heavy-duty thermal expansion valve to manage high mass flow rates. By regulating the flow of R22 refrigerant with factory-calibrated accuracy, this component optimizes coil efficiency and restores system balance to original manufacturer specifications.

Key Benefits

  • Precise Superheat Regulation: Maintains consistent evaporator temperatures to maximize cooling output and energy efficiency.
  • Direct OEM Compatibility: Engineered specifically for Trane equipment to ensure seamless integration with existing refrigerant lines and sensing bulbs.
  • Industrial Grade Construction: Designed to handle 30-ton cooling capacity, making it ideal for large-tonnage commercial applications.
  • Secure ODF Connections: Features 7/8" inlet and 1-1/8" outlet solder connections for a high-pressure, permanent seal.
  • Compressor Protection: Prevents refrigerant floodback, effectively extending the service life of expensive reciprocating or scroll compressors.

Common Questions

Is the VAL18925 compatible with R407C retrofits?
While originally designed as an R22 expansion valve, compatibility depends on the specific oil and pressure curve of the retrofit refrigerant. It is recommended to verify the power element charge before use in conversion scenarios.

What are the specific port sizes for this TXV?
This unit features a 7/8" ODF inlet and a 1-1/8" ODF outlet, typical for 30-ton HVAC components used in large-diameter piping runs.

Does this valve include the external equalizer line?
Yes, for a valve of this tonnage, an external equalizer is standard to compensate for large pressure drops across the evaporator coil, ensuring accurate sensing bulb response.

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.

Product Information

Shipping & Returns

Description

The Trane VAL18925 TXV is a high-capacity, thermostatic expansion valve engineered for critical refrigerant metering in R22 HVAC systems. Built for large-scale performance, this 30-ton expansion valve utilizes a 7/8" x 1-1/8" ODF connection to ensure secure, leak-resistant brazed fitting in demanding commercial and industrial evaporator circuits. As a genuine Trane OEM replacement part, the VAL18925 provides the precise superheat control required to maintain optimal heat exchange and protects the compressor from liquid slugging. This valve is a direct-fit solution for technicians servicing legacy Trane chillers and rooftop units that require a heavy-duty thermal expansion valve to manage high mass flow rates. By regulating the flow of R22 refrigerant with factory-calibrated accuracy, this component optimizes coil efficiency and restores system balance to original manufacturer specifications.

Key Benefits

  • Precise Superheat Regulation: Maintains consistent evaporator temperatures to maximize cooling output and energy efficiency.
  • Direct OEM Compatibility: Engineered specifically for Trane equipment to ensure seamless integration with existing refrigerant lines and sensing bulbs.
  • Industrial Grade Construction: Designed to handle 30-ton cooling capacity, making it ideal for large-tonnage commercial applications.
  • Secure ODF Connections: Features 7/8" inlet and 1-1/8" outlet solder connections for a high-pressure, permanent seal.
  • Compressor Protection: Prevents refrigerant floodback, effectively extending the service life of expensive reciprocating or scroll compressors.

Common Questions

Is the VAL18925 compatible with R407C retrofits?
While originally designed as an R22 expansion valve, compatibility depends on the specific oil and pressure curve of the retrofit refrigerant. It is recommended to verify the power element charge before use in conversion scenarios.

What are the specific port sizes for this TXV?
This unit features a 7/8" ODF inlet and a 1-1/8" ODF outlet, typical for 30-ton HVAC components used in large-diameter piping runs.

Does this valve include the external equalizer line?
Yes, for a valve of this tonnage, an external equalizer is standard to compensate for large pressure drops across the evaporator coil, ensuring accurate sensing bulb response.

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.

Trane VAL18925 TXV | GSIstore