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⚡ Keep your air compressor in perfect sync — pressure precision that means business!
The Viair 90103 Pressure Switch is a compact, high-precision device engineered to automatically control air compressors by activating at 165 PSI and deactivating at 200 PSI. Designed for 12- and 24-volt systems up to 20 amps, it features a direct 1/8 inch NPT tank fitting and durable nickel contacts, ensuring reliable, maintenance-free operation. Ideal for trucks, vans, and large vehicles, this switch combines rugged durability with easy installation, backed by a one-year manufacturer warranty.
| ASIN | B0062BHQR6 |
| Actuator Type | Plunger |
| Brand | Viair |
| Brand Name | Viair |
| Circuit Type | 1-way |
| Colour | Black |
| Compatible Devices | Air compressors (up to 20 amps) and relays (for compressors over 20 amps) |
| Compatible with Vehicle Type | Truck, Van, Large Vehicle |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Spade |
| Contact Material | Nickel |
| Contact Type | Normally Closed |
| Control Method | Touch |
| Control Type | automatic |
| Controller Type | Mechanical knob |
| Country of Origin | USA |
| Current Rating | 20 Amps |
| Customer Reviews | 4.6 out of 5 stars 227 Reviews |
| Global Trade Identification Number | 00818114001031 |
| International Protection Rating | IP54 |
| Item Dimensions | 44 x 25 x 25 Millimeters |
| Item Type Name | pressure switch |
| Item Weight | 1.3 Ounces |
| Manufacturer | Viair |
| Material Type | Plastic Brass |
| Model Number | 90103 |
| Mounting Type | embedded |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 12 Volts (DC) |
| Operation Mode | ON-OFF |
| Part Number | 90103 |
| Smart Home Compatibility | Not Smart Home Compatible |
| Specification Met | CE |
| Switch Type | Pressure Switch |
| Terminal | Solder |
| UPC | 818114001024 818114001031 |
| Unit Count | 1.0 Count |
| Upper Temperature Rating | 200 Degrees Fahrenheit |
| Warranty Description | One year manufacturer defect warranty: www.viaircorp.com/warranty |
| Wattage | 240 Watts |
C**Y
Great buy.
Works great. Easy to use!!!
L**O
Five Stars
It works great!
C**E
Five Stars
Bon produit
S**1
Good replacement
I bought this to replace the factory switch for the VIAIR 20007 air source kit. It seems to hold pressure well and the unit seems like it is sealed better that the factory one. Has been in use for a couple of months with no issues yet. I installed the kit underhood where it is exposed to higher temperatures and the factory switch had 2 wires coming out of a rubber boot. It started leaking air around the wires within a couple months of installation, and you cant service it without damaging the whole switch. This replacement has 2 spade style connectors that appear to be able to hold up to higher underhood temps. A nice bonus is that if it does go bad its an easy swap out instead of having to cut wires and resolder everything. Just pop off the leads from the connectors and reinstall when done. Ive also read other sites that say these pressure switches are the weakest link in ANY automotive onboard air setups.
T**.
Outlasts the competition
Works as expected. Outlasts every other brand I have tried
Trustpilot
2 weeks ago
2 weeks ago