What is the purpose of the pressure cycling switch in the air conditioning system?

The pressure cycling switch is located on top of the hard line from the condenser to the air conditioning thermostatic expansion valve (TXV). It detects low refrigerant line pressure and switches the A/C system off, then back on again to provide higher pressure. If the pressure increases too high, the pressure cut-off switch shuts the system off. Before proceeding, have the air conditioning system recovered by a dealer service department or automotive air conditioning shop. Unplug the electrical connector from the pressure cycling switch and unscrew it. Lubricate the switch O-ring with clean refrigerant oil and screw the new switch into place. Reconnect the electrical connector and have the system evacuated, recharged, and leak tested by the shop that discharged it.

Genuine Ford Edge HVAC Pressure Switch

Air Pressure Switch

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10 HVAC Pressure Switches found

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Ford Edge Switch - Air Condition System - Vacuum
Part Number: 6F9Z-19D594-AA
- Replaces: 6L2Z-19D594-BA, F6CZ-19D594-CB
$77.04 MSRP: $153.09
You Save: $76.05 (50%)

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Fits the following Vehicles:
2007-2010 Ford Edge | 6 Cyl 3.5L DOHC VCT SMPI | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Edge Switch - Air Condition System - Vacuum
Part Number: HG1Z-19D594-A
- Replaces: BT4Z-19D594-A
$60.28 MSRP: $99.64
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Fits the following Vehicles:
2011-2019 Ford Edge | 4 Cyl 2.0L DOHC, 4 Cyl 2.0L Duratorq-TDCi (132kW/180PS), 4 Cyl 2.0L EcoBoost (240PS), 6 Cyl 2.7L, 6 Cyl 3.5L Cyclone Petrol TIVCT, 6 Cyl 3.5L DOHC VCT SMPI, 6 Cyl 3.7L DOHC | 6-Speed Automatic Transmission 6DCT450 - MPS6, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, 6-Speed Manual Transaxle - MMT6, 8-Speed Automatic Transmission 8F57, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, RHD 4WD (FTD)
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Ford Edge Valve Assembly
Part Number: F7RZ-19D701-BA
- Other Name: Valve Assy
$5.02 MSRP: $7.80
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Fits the following Vehicles:
2007-2014 Ford Edge | 4 Cyl 2.0L EcoBoost (240PS) , 6 Cyl 3.5L DOHC VCT SMPI, 6 Cyl 3.7L DOHC | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Ford Edge Switch - Air Condit.System - Vacuum
Part Number: BT4Z-19D594-A
- Replaced by: HG1Z-19D594-A
$60.28 MSRP: $99.64
You Save: $39.36 (40%)

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Fits the following Vehicles:
2011-2018 Ford Edge | 4 Cyl 2.0L DOHC, 4 Cyl 2.0L Duratorq-TDCi (132kW/180PS) , 4 Cyl 2.0L EcoBoost (240PS) , 6 Cyl 2.7L, 6 Cyl 3.5L Cyclone Petrol TIVCT, 6 Cyl 3.5L DOHC VCT SMPI, 6 Cyl 3.7L DOHC | 6-Speed Automatic Transmission 6DCT450 - MPS6, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, 6-Speed Manual Transaxle - MMT6, 8-Speed Automatic Transmission 8F57, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, RHD 4WD (FTD)
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Ford Edge Valve Assembly
Part Number: 4L3Z-19D701-A
- Other Name: Valve Assy
- Replaces: F8RZ-19D701-AA, 4R3Z-19D701-AA
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Fits the following Vehicles:
2007-2014 Ford Edge | 4 Cyl 2.0L EcoBoost (240PS) , 6 Cyl 3.5L DOHC VCT SMPI, 6 Cyl 3.7L DOHC | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Part Number: E69Z-19D701-A
- Other Name: Valve Assy
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Fits the following Vehicles:
2007-2014 Ford Edge | 4 Cyl 2.0L EcoBoost (240PS) , 6 Cyl 3.5L DOHC VCT SMPI, 6 Cyl 3.7L DOHC | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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Part Number: DS7Z-19D701-A
- Other Name: Valve Assy
$4.68 MSRP: $7.27
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Fits the following Vehicles:
2015-2019 Ford Edge | 4 Cyl 2.0L DOHC, 4 Cyl 2.0L Duratorq-TDCi (132kW/180PS) , 4 Cyl 2.0L EcoBoost (240PS) , 6 Cyl 2.7L, 6 Cyl 3.5L Cyclone Petrol TIVCT | 6-Speed Automatic Transmission 6DCT450 - MPS6, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, 6-Speed Manual Transaxle - MMT6, 8-Speed Automatic Transmission 8F57, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, RHD 4WD (FTD)
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Ford Edge Valve Assembly
Part Number: 6L1Z-19D701-C
- Other Name: Valve Assy
$4.68 MSRP: $7.27
You Save: $2.59 (36%)

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Fits the following Vehicles:
2015-2019 Ford Edge | 4 Cyl 2.0L DOHC, 4 Cyl 2.0L Duratorq-TDCi (132kW/180PS) , 4 Cyl 2.0L EcoBoost (240PS) , 6 Cyl 2.7L, 6 Cyl 3.5L Cyclone Petrol TIVCT | 6-Speed Automatic Transmission 6DCT450 - MPS6, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, 6-Speed Manual Transaxle - MMT6, 8-Speed Automatic Transmission 8F57, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, RHD 4WD (FTD)
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Ford Edge Switch - Air Condit.System - Vacuum
Part Number: 6L2Z-19D594-BA
- Replaced by: 6F9Z-19D594-AA
$77.04 MSRP: $153.09
You Save: $76.05 (50%)

Add to Cart
More Info
Fits the following Vehicles:
2007 Ford Edge | 6 Cyl 3.5L DOHC VCT SMPI | 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, Four-Wheel Drive (Full Time) (Left Hand Drive), Four-Wheel Drive (Part Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Left Hand Drive
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View related parts
Ford Edge Valve Assembly
Part Number: 6L1Z-19D701-B
- Other Name: Valve Assy
$11.12 MSRP: $17.73
You Save: $6.61 (38%)

Add to Cart
More Info
Fits the following Vehicles:
2015-2019 Ford Edge | 4 Cyl 2.0L DOHC, 4 Cyl 2.0L Duratorq-TDCi (132kW/180PS) , 4 Cyl 2.0L EcoBoost (240PS) , 6 Cyl 2.7L, 6 Cyl 3.5L Cyclone Petrol TIVCT | 6-Speed Automatic Transmission 6DCT450 - MPS6, 6-Speed Automatic Transmission 6F Mid-Range, 6-Speed Automatic Transmission 6F50, 6-Speed Automatic Transmission 6F55, 6-Speed Manual Transaxle - MMT6, 8-Speed Automatic Transmission 8F57, Four-Wheel Drive (Full Time) (Left Hand Drive), Front-Wheel Drive (Left Hand Drive), Front-Wheel Drive (Right Hand Drive), Left Hand Drive, RHD 4WD (FTD)
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Ford Edge HVAC Pressure Switch Parts Questions & Answers

Valve Assembly
6L1Z-19D701-B
Q: What is the purpose of the pressure cycling switch in the air conditioning system?
A: The pressure cycling switch is located on top of the hard line from the condenser to the air conditioning thermostatic expansion valve (TXV). It detects low refrigerant line pressure and switches the A/C system off, then back on again to provide higher pressure. If the pressure increases too high, the pressure cut-off switch shuts the system off. Before proceeding, have the air conditioning system recovered by a dealer service department or automotive air conditioning shop. Unplug the electrical connector from the pressure cycling switch and unscrew it. Lubricate the switch O-ring with clean refrigerant oil and screw the new switch into place. Reconnect the electrical connector and have the system evacuated, recharged, and leak tested by the shop that discharged it.