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SKU: 4-HOBBS-5 | UPC: 887753546142
DeatschWerks 1/8" NPT 5psi Hobbs Switch with Pigtail
The DeatschWerks is a high-quality 5psi Hobbs switch with a 1/8" NPT thread and integrated pigtail connector. This pressure-activated switch is commonly used for activating auxiliary fuel pumps, nitrous systems, electric fans, or boost-dependent accessories. The switch closes at 5psi of pressure, providing a reliable trigger point for performance applications.
Built with durable components and a weather-resistant design, it ensures consistent operation in harsh engine bay conditions. The included pigtail makes wiring quick and straightforward, making it a popular choice for custom fuel, boost, or cooling system setups on street, track, or race vehicles.
Key Features
- 5psi Activation Point – Reliable pressure trigger for auxiliary systems
- 1/8" NPT Thread – Standard size for easy installation into fuel rails, boost lines, or oil passages
- Integrated Pigtail – Pre-wired connector for fast and clean wiring
- Durable Construction – Built to withstand vibration, heat, and harsh conditions
- Versatile Use – Ideal for fuel pumps, nitrous, fans, or other pressure-activated circuits
| Spec | Detail |
|---|---|
| Part Number | 4-HOBBS-5 |
| Brand | DeatschWerks |
| Type | 1/8" NPT 5psi Hobbs Switch with Pigtail |
| Activation Pressure | 5 psi |
| Thread Size | 1/8" NPT |
| Country of Origin | United States |
| Warranty | DeatschWerks Limited Warranty |
Whats Included
- One DeatschWerks 5psi Hobbs Switch
- Integrated pigtail wiring harness
Product Notes
- Activates at 5psi of pressure – commonly used for auxiliary fuel pumps or boost-controlled devices
- 1/8" NPT thread fits most fuel rails, boost lines, and oil pressure ports
- Professional installation recommended with proper wiring and pressure testing
Installation Notes
- Install into a 1/8" NPT port on the fuel rail, boost line, or oil system
- Connect the pigtail to your wiring harness according to the intended function
- Estimated time: 15–30 minutes
Why Choose DeatschWerks Hobbs Switches?
- Reliable pressure activation with durable construction for performance applications
- Integrated pigtail for quick and clean wiring
- Trusted by enthusiasts for fuel, nitrous, and auxiliary system control
Frequently Asked Questions
-
Q: What does this Hobbs switch do?
A: It activates (closes the circuit) at 5psi of pressure, commonly used to turn on auxiliary fuel pumps or other boost-dependent devices. -
Q: Is the switch normally open or normally closed?
A: It is normally open and closes when pressure reaches 5psi. -
Q: Is professional installation recommended?
A: Yes, proper wiring and pressure testing are important for safe and reliable operation.
Shipping & Handling
- Method: Ground UPS or FedEx
- Availability: In stock – ships same or next business day
- Packaging: Secure DeatschWerks retail packaging
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