It turn on fine but it wont shut off on its own like its supposed to do when reaching 120psi,I have to turn off on the on switch which its not normal?

Does the compressor continue to run until the overpressure valve activate? Or are you shutting it off when you see 120 on the gage? I have not open mine because it shuts off within + or- 5 PSI of the advertise shut off pressure. Otherwise open the case and adjust the spring tension on the relay to archive the desired on -off range

On this pressure switch does it come with short pipe that screws into the switch as well as the Tank. Also what size is it for 1/2 inch

No what you see is what you get

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Fully operational. Shipping worldwide, on schedule.Duty & taxes paid at delivery

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QWORK® Air Compressor Pressure Switch Control Valve, 90-120PSI Pressure Regulator with Pressure Gauges Fittings Set

QWORK® Air Compressor Pressure Switch Control Valve, 90-120PSI Pressure Regulator with Pressure Gauges Fittings Set

Product ID: 396400833

Details

Brand
QWORK
Power source
Corded
Recommended uses for product
Pressure in
Special feature
Precision
Voltage
240 Volts

📏Adjustable 90-120 PSI pressure range

🔌Supports up to 240V & 20A current

⚙️Durable ABS shell & brass valve

Description

⚡ Master your air pressure game with precision and durability!

BUILT TO LAST - Robust ABS casing with galvanized iron and brass components ensures long-term durability and wear resistance.
COMPACT PORTABLE - Lightweight 717g design with American pattern threading (G1/4) fits effortlessly into your existing setup.
PLUG PLAY EFFICIENCY - Designed for seamless integration with air compressors to boost operational efficiency and reduce downtime.
HIGH POWER COMPATIBILITY - Handles up to 240V and 20A, making it perfect for demanding industrial and professional applications.
PRECISION PRESSURE CONTROL - Easily adjustable air outlet maintains stable pressure between 90-120 PSI for optimized compressor performance.

The QWORK® Air Compressor Pressure Switch Control Valve is a high-quality, durable pressure regulator featuring an ABS shell, brass valve, and galvanized iron connectors. It offers an adjustable pressure range of 90-120 PSI, supports up to 240V and 20A, and is designed for efficient, stable air compressor control in professional and industrial environments.

Specifications

Asin	B08FBCDNR5
Best Sellers Rank	1,242,960 in DIY & Tools (See Top 100 in DIY & Tools) 1,324 in Air Compressors (DIY & Tools)
Brand	QWORK
Customer Reviews	4.1 4.1 out of 5 stars (1,425) 4.1 out of 5 stars
Item Weight	671 Grams
Manufacturer	QWORK
Material	Acrylonitrile Butadiene Styrene, Brass
Maximum Pressure	120 Pound per Square Inch
Model Name	WD3785
Model Number	WD3785
Part Number	WD3785
Power Source	Corded Electric
Recommended Uses For Product	Pressure Control in Air Compressor Systems
Special Features	Precision Measurement, Portable
Style	Portable
Unit Count	1.0 count
Voltage	240 Volts

Reviews

User

Bien

Instalado sin mucho problema, apariencia ruda pero funciona correctamente

11.11.2025

User

Air compressor pressure switch

Air compressor pressure switch works great

27.08.2026

User

Would buy again

Works as it should. Cut in and cut out pressures work the only thing is I wish it had a water separater.

1.08.2026

User

Prodotto di buon livello!

Facile da montare!

3.04.2022

User

Bon rapport qualité prix

Facile à installer, fait le job, réelle impression de solidité à confirmer dans le temps

13.09.2021

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