SKU: 4-HOBBS-15 | UPC: 887753546166
DeatschWerks 1/8″ NPT 15 PSI Hobbs Switch with Pigtail
The DeatschWerks is a 15 PSI Hobbs pressure switch with a 1/8″ NPT thread and included pigtail wiring harness. This high-quality switch is designed to activate or deactivate electrical circuits based on fluid or air pressure, making it ideal for fuel, oil, boost, or nitrous applications. Commonly used to trigger warning lights, shut off fuel pumps, activate electric fans, or control auxiliary systems when pressure reaches the 15 PSI set point. The rugged construction and reliable operation make it a trusted choice for performance builds, race cars, and custom vehicle projects where precise pressure-based control is required.
Key Features
- 15 PSI Activation Point – Precise pressure switch for reliable circuit 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 electrical connection
- Reliable Operation – Durable design for consistent performance in demanding conditions
- Versatile Use – Suitable for fuel pumps, warning lights, fans, nitrous systems, and more
| Spec | Detail |
|---|---|
| Part Number | 4-HOBBS-15 |
| Brand | DeatschWerks |
| Type | 1/8″ NPT 15 PSI Hobbs Pressure Switch with Pigtail |
| Activation Pressure | 15 PSI |
| Thread Size | 1/8″ NPT |
| Country of Origin | United States |
| Warranty | DeatschWerks Limited Warranty |
Whats Included
- DeatschWerks 15 PSI Hobbs Switch
- Pigtail wiring harness
Product Notes
- Activates or deactivates electrical circuits at 15 PSI
- Common applications include 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?
- Reliable pressure-activated switching for performance and safety applications
- Included pigtail simplifies wiring
- Trusted by enthusiasts and professional builders for quality and durability
Frequently Asked Questions
- Q: What does a Hobbs switch do?
A: It opens or closes an electrical circuit when a preset pressure (15 PSI in this case) 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 for fuel pumps 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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