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SKU: 4-HOBBS-10 | UPC: 887753546159
DeatschWerks Adjustable 10 PSI Hobbs Switch with Pigtail (0.5A) – 1/8" NPT (8-12 PSI Range)
The DeatschWerks is an adjustable Hobbs pressure switch with a nominal 10 PSI activation point (adjustable from 8-12 PSI) and a 1/8" NPT thread. It includes a pre-wired pigtail for easy electrical connection.
This versatile switch is commonly used to activate or deactivate circuits based on fluid or air pressure, making it ideal for fuel pump safety shut-off, warning lights, electric fans, nitrous systems, or other pressure-triggered accessories. The adjustable range allows fine-tuning to your specific application, while the rugged construction ensures reliable operation in demanding performance environments.
Rated for 0.5A continuous load, it provides a clean, professional solution for custom vehicle builds and performance upgrades.
Key Features
- Adjustable Activation Point – Nominal 10 PSI, tunable from 8-12 PSI for precise control
- 1/8" NPT Thread – Standard fitting for easy installation into fuel rails, oil galleries, or boost lines
- Included Pigtail – Pre-wired harness for simple plug-and-play electrical connection
- 0.5A Rating – Suitable for low-current circuits and accessories
- Reliable Performance – Durable design for consistent operation in performance applications
| Spec | Detail |
|---|---|
| Part Number | 4-HOBBS-10 |
| Brand | DeatschWerks |
| Type | Adjustable 10 PSI Hobbs Pressure Switch with Pigtail (0.5A) |
| Activation Pressure | 10 PSI nominal (adjustable 8-12 PSI) |
| Thread Size | 1/8" NPT |
| Current Rating | 0.5A |
| Country of Origin | United States |
| Warranty | DeatschWerks Limited Warranty |
Whats Included
- DeatschWerks Adjustable Hobbs Switch
- Pigtail wiring harness
Product Notes
- Adjustable from 8-12 PSI for custom tuning to your application
- Commonly used for fuel pump safety, warning lights, electric fans, or nitrous control
- Professional installation recommended for proper wiring and pressure line integration
Installation Notes
- Install into a 1/8" NPT port on fuel rail, oil gallery, or boost reference line
- Connect pigtail to desired electrical circuit (normally open or normally closed depending on application)
- Estimated time: 30–60 minutes
Why Choose DeatschWerks Hobbs Switches?
- Adjustable pressure range for precise control in performance applications
- Included pigtail simplifies wiring
- Trusted by enthusiasts and professional builders for quality and reliability
Frequently Asked Questions
-
Q: What does a Hobbs switch do?
A: It opens or closes an electrical circuit when the preset pressure (adjustable 8-12 PSI) is reached. -
Q: Can I use this to control a fuel pump?
A: Yes, it is commonly used as a safety shut-off or activation switch based on oil or fuel pressure. -
Q: Is professional installation recommended?
A: Recommended proper wiring and pressure line connections are important for safety and reliability.
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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