Trane CNT0747 Presure Cutout
HomeStore

Trane CNT0747 Presure Cutout

Trane CNT0747 Presure Cutout

The Trane CNT0747 Pressure Cutout is a mission-critical manual reset low pressure switch engineered to protect compressors from damage due to refrigerant loss or coil freeze-ups. As a genuine OEM Trane replacement part, it ensures the precise calibration required to maintain system integrity in residential and light commercial HVAC units. This encapsulated pressure switch features a non-adjustable fixed setpoint, specifically designed to open at 7 PSI and close at 22 PSI. Constructed for high-reliability circuit interruption, the CNT0747 low pressure control utilizes quick-connect terminals for streamlined field installation. Its robust design handles a wide voltage range of 120V to 240V, making it a versatile HVAC safety switch for various Trane and American Standard air conditioning and heat pump systems. Proper installation of this low pressure cutout 7 open 22 close switch is essential for preventing compressor overheating and ensuring long-term equipment uptime.

Key Benefits:
  • Precise Pressure Calibration: Fixed settings at 7 PSI open and 22 PSI close provide accurate protection against low-suction conditions.
  • OEM System Compatibility: Direct fit for numerous Trane and American Standard condenser models, eliminating mounting modifications.
  • Durable Construction: The sealed hermetic design prevents moisture ingress and environmental contamination of the electrical contacts.
  • High Voltage Versatility: Fully rated for both 120V and 240V control circuits, supporting various equipment platforms.
  • Optimized Compressor Safety: Rapidly breaks the pilot circuit to stop the compressor before permanent mechanical damage occurs.
Common Questions:

What causes a Trane CNT0747 to trip frequently?
Repeated tripping typically indicates a low refrigerant charge, a restricted liquid line filter drier, or a failing indoor blower motor causing a drop in evaporator pressure.

Is the CNT0747 a manual or automatic reset switch?
This specific low pressure cutout is designed to reset once the system pressure rises above the 22 PSI close setpoint, though some configurations may require a manual reset at the thermostat or control board depending on the system logic.

Can I use a universal pressure switch instead of the CNT0747?
While universal switches exist, using a genuine Trane CNT0747 ensures the exact 7/22 PSI pressure curve and terminal orientation required for the original equipment manufacturer's hardware specifications.

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.

$13.63

Original: $38.93

-65%
Trane CNT0747 Presure Cutout

$38.93

$13.63

Trane CNT0747 Presure Cutout

The Trane CNT0747 Pressure Cutout is a mission-critical manual reset low pressure switch engineered to protect compressors from damage due to refrigerant loss or coil freeze-ups. As a genuine OEM Trane replacement part, it ensures the precise calibration required to maintain system integrity in residential and light commercial HVAC units. This encapsulated pressure switch features a non-adjustable fixed setpoint, specifically designed to open at 7 PSI and close at 22 PSI. Constructed for high-reliability circuit interruption, the CNT0747 low pressure control utilizes quick-connect terminals for streamlined field installation. Its robust design handles a wide voltage range of 120V to 240V, making it a versatile HVAC safety switch for various Trane and American Standard air conditioning and heat pump systems. Proper installation of this low pressure cutout 7 open 22 close switch is essential for preventing compressor overheating and ensuring long-term equipment uptime.

Key Benefits:
  • Precise Pressure Calibration: Fixed settings at 7 PSI open and 22 PSI close provide accurate protection against low-suction conditions.
  • OEM System Compatibility: Direct fit for numerous Trane and American Standard condenser models, eliminating mounting modifications.
  • Durable Construction: The sealed hermetic design prevents moisture ingress and environmental contamination of the electrical contacts.
  • High Voltage Versatility: Fully rated for both 120V and 240V control circuits, supporting various equipment platforms.
  • Optimized Compressor Safety: Rapidly breaks the pilot circuit to stop the compressor before permanent mechanical damage occurs.
Common Questions:

What causes a Trane CNT0747 to trip frequently?
Repeated tripping typically indicates a low refrigerant charge, a restricted liquid line filter drier, or a failing indoor blower motor causing a drop in evaporator pressure.

Is the CNT0747 a manual or automatic reset switch?
This specific low pressure cutout is designed to reset once the system pressure rises above the 22 PSI close setpoint, though some configurations may require a manual reset at the thermostat or control board depending on the system logic.

Can I use a universal pressure switch instead of the CNT0747?
While universal switches exist, using a genuine Trane CNT0747 ensures the exact 7/22 PSI pressure curve and terminal orientation required for the original equipment manufacturer's hardware specifications.

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 CNT0747 Pressure Cutout is a mission-critical manual reset low pressure switch engineered to protect compressors from damage due to refrigerant loss or coil freeze-ups. As a genuine OEM Trane replacement part, it ensures the precise calibration required to maintain system integrity in residential and light commercial HVAC units. This encapsulated pressure switch features a non-adjustable fixed setpoint, specifically designed to open at 7 PSI and close at 22 PSI. Constructed for high-reliability circuit interruption, the CNT0747 low pressure control utilizes quick-connect terminals for streamlined field installation. Its robust design handles a wide voltage range of 120V to 240V, making it a versatile HVAC safety switch for various Trane and American Standard air conditioning and heat pump systems. Proper installation of this low pressure cutout 7 open 22 close switch is essential for preventing compressor overheating and ensuring long-term equipment uptime.

Key Benefits:
  • Precise Pressure Calibration: Fixed settings at 7 PSI open and 22 PSI close provide accurate protection against low-suction conditions.
  • OEM System Compatibility: Direct fit for numerous Trane and American Standard condenser models, eliminating mounting modifications.
  • Durable Construction: The sealed hermetic design prevents moisture ingress and environmental contamination of the electrical contacts.
  • High Voltage Versatility: Fully rated for both 120V and 240V control circuits, supporting various equipment platforms.
  • Optimized Compressor Safety: Rapidly breaks the pilot circuit to stop the compressor before permanent mechanical damage occurs.
Common Questions:

What causes a Trane CNT0747 to trip frequently?
Repeated tripping typically indicates a low refrigerant charge, a restricted liquid line filter drier, or a failing indoor blower motor causing a drop in evaporator pressure.

Is the CNT0747 a manual or automatic reset switch?
This specific low pressure cutout is designed to reset once the system pressure rises above the 22 PSI close setpoint, though some configurations may require a manual reset at the thermostat or control board depending on the system logic.

Can I use a universal pressure switch instead of the CNT0747?
While universal switches exist, using a genuine Trane CNT0747 ensures the exact 7/22 PSI pressure curve and terminal orientation required for the original equipment manufacturer's hardware specifications.

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 CNT0747 Presure Cutout | GSIstore