Trane SWT4049 Pressure Switch
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Trane SWT4049 Pressure Switch

Trane SWT4049 Pressure Switch

The Trane SWT4049 High Pressure Switch is a critical safety component designed for precise refrigerant circuit monitoring in residential and light commercial HVAC systems. As a genuine OEM Trane replacement part, this pressure-actuated switch is engineered to protect the compressor from catastrophic failure by interrupting the electrical circuit when discharge pressure exceeds safe operating parameters. Utilizing a factory-calibrated set point, the SWT4049 ensures consistent system protection without the drift often found in universal aftermarket alternatives. This HVAC high pressure cutout switch is essential for maintaining the integrity of air conditioning units and heat pumps, particularly those utilizing high-pressure refrigerants like R-410A. Its robust construction and direct-fit design allow for seamless integration into existing Trane and American Standard equipment, providing technicians with a reliable solution for high-side pressure management and system troubleshooting.

Technical Benefits
  • System Protection: Effectively prevents over-pressurization, safeguarding the compressor and copper lines from rupture or mechanical damage.
  • OEM Reliability: Built to original manufacturer specifications, ensuring the switch maintains its mechanical trip point under extreme thermal conditions.
  • Direct-Fit Application: Designed for specific Trane chassis, reducing labor time during field installation compared to adjustable or universal switches.
  • Enhanced Durability: Constructed with specialized contact materials to resist pitting and electrical arcing during high-cycle operation.
Common Questions

What is the function of the SWT4049 in a refrigerant circuit?

The SWT4049 acts as a safety limit; it monitors the high-side pressure and opens the control circuit to shut down the system if pressures reach levels that could compromise mechanical components.

Is the Trane SWT4049 a manual or automatic reset switch?

This specific model is typically designed as an automatic reset switch, meaning it will close the circuit and allow system operation once the internal pressures have dropped to a safe, predetermined level.

Can I use this switch on R-22 and R-410A systems?

It is vital to check the specific pressure ratings (PSI) stamped on the part or in the service manual. High pressure switches are calibrated for the specific operating pressures of the refrigerant and equipment they are protecting.

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.

$8.58

Original: $24.51

-65%
Trane SWT4049 Pressure Switch

$24.51

$8.58

Trane SWT4049 Pressure Switch

The Trane SWT4049 High Pressure Switch is a critical safety component designed for precise refrigerant circuit monitoring in residential and light commercial HVAC systems. As a genuine OEM Trane replacement part, this pressure-actuated switch is engineered to protect the compressor from catastrophic failure by interrupting the electrical circuit when discharge pressure exceeds safe operating parameters. Utilizing a factory-calibrated set point, the SWT4049 ensures consistent system protection without the drift often found in universal aftermarket alternatives. This HVAC high pressure cutout switch is essential for maintaining the integrity of air conditioning units and heat pumps, particularly those utilizing high-pressure refrigerants like R-410A. Its robust construction and direct-fit design allow for seamless integration into existing Trane and American Standard equipment, providing technicians with a reliable solution for high-side pressure management and system troubleshooting.

Technical Benefits
  • System Protection: Effectively prevents over-pressurization, safeguarding the compressor and copper lines from rupture or mechanical damage.
  • OEM Reliability: Built to original manufacturer specifications, ensuring the switch maintains its mechanical trip point under extreme thermal conditions.
  • Direct-Fit Application: Designed for specific Trane chassis, reducing labor time during field installation compared to adjustable or universal switches.
  • Enhanced Durability: Constructed with specialized contact materials to resist pitting and electrical arcing during high-cycle operation.
Common Questions

What is the function of the SWT4049 in a refrigerant circuit?

The SWT4049 acts as a safety limit; it monitors the high-side pressure and opens the control circuit to shut down the system if pressures reach levels that could compromise mechanical components.

Is the Trane SWT4049 a manual or automatic reset switch?

This specific model is typically designed as an automatic reset switch, meaning it will close the circuit and allow system operation once the internal pressures have dropped to a safe, predetermined level.

Can I use this switch on R-22 and R-410A systems?

It is vital to check the specific pressure ratings (PSI) stamped on the part or in the service manual. High pressure switches are calibrated for the specific operating pressures of the refrigerant and equipment they are protecting.

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 SWT4049 High Pressure Switch is a critical safety component designed for precise refrigerant circuit monitoring in residential and light commercial HVAC systems. As a genuine OEM Trane replacement part, this pressure-actuated switch is engineered to protect the compressor from catastrophic failure by interrupting the electrical circuit when discharge pressure exceeds safe operating parameters. Utilizing a factory-calibrated set point, the SWT4049 ensures consistent system protection without the drift often found in universal aftermarket alternatives. This HVAC high pressure cutout switch is essential for maintaining the integrity of air conditioning units and heat pumps, particularly those utilizing high-pressure refrigerants like R-410A. Its robust construction and direct-fit design allow for seamless integration into existing Trane and American Standard equipment, providing technicians with a reliable solution for high-side pressure management and system troubleshooting.

Technical Benefits
  • System Protection: Effectively prevents over-pressurization, safeguarding the compressor and copper lines from rupture or mechanical damage.
  • OEM Reliability: Built to original manufacturer specifications, ensuring the switch maintains its mechanical trip point under extreme thermal conditions.
  • Direct-Fit Application: Designed for specific Trane chassis, reducing labor time during field installation compared to adjustable or universal switches.
  • Enhanced Durability: Constructed with specialized contact materials to resist pitting and electrical arcing during high-cycle operation.
Common Questions

What is the function of the SWT4049 in a refrigerant circuit?

The SWT4049 acts as a safety limit; it monitors the high-side pressure and opens the control circuit to shut down the system if pressures reach levels that could compromise mechanical components.

Is the Trane SWT4049 a manual or automatic reset switch?

This specific model is typically designed as an automatic reset switch, meaning it will close the circuit and allow system operation once the internal pressures have dropped to a safe, predetermined level.

Can I use this switch on R-22 and R-410A systems?

It is vital to check the specific pressure ratings (PSI) stamped on the part or in the service manual. High pressure switches are calibrated for the specific operating pressures of the refrigerant and equipment they are protecting.

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 SWT4049 Pressure Switch | GSIstore