DeatschWerks Hobbs Switch

2010–2025 Universal Application for Automotive and Industrial Use

Part #: 4-HOBBS-10

Overview

The DeatschWerks 1/8th NPT 10 Psi Adjustable Hobbs Switch with Pigtail is a precision-engineered sensor designed to monitor and control fluid pressure in a variety of automotive and industrial applications. Whether you're building a custom fuel system, turbocharged setup, or other performance modifications, this switch provides reliable, adjustable pressure activation to enhance your vehicle's safety and performance.

Ideal for enthusiasts and professionals who demand accurate pressure monitoring, this Hobbs switch allows you to set the activation point between 8 and 12 PSI, ensuring your system operates within safe parameters. Its compact design and adjustable feature make it a versatile component for a wide range of projects, from street-driven builds to race cars and off-road vehicles.

Key Features

The DeatschWerks Hobbs Switch offers several technical advantages that make it a dependable choice for pressure monitoring:

• Adjustable pressure range from 8 to 12 PSI, allowing precise control tailored to your specific application.
• Constructed with durable materials, including a high-quality 1/8th NPT threaded port for secure installation.
• Compact design with a pigtail wiring harness for straightforward wiring and integration into existing systems.
• Reliable operation with a 0.5A switching capacity, suitable for activating relays, alarms, or other devices.
• Versatile use in automotive, marine, industrial, and custom applications where pressure monitoring is critical.
• Easy to adjust on the fly, enabling quick calibration without disassembly.
• Built to withstand harsh environments, ensuring consistent performance over time.

Construction & Design

The DeatschWerks Hobbs Switch features a robust construction designed for longevity and dependable operation. Its housing is made from corrosion-resistant materials, capable of withstanding exposure to moisture, vibration, and temperature fluctuations common in automotive environments. The 1/8th NPT threaded port ensures a secure and leak-free connection to your fluid system.

The integrated pigtail wiring harness simplifies installation, providing a clean and organized setup. The switch's adjustable pressure setting is achieved through a precise internal mechanism, allowing you to fine-tune activation points to match your system's requirements. Overall, the design emphasizes durability, ease of use, and versatility, making it suitable for both professional and DIY applications.

Performance & Sound

While this Hobbs switch does not produce audible or performance sound directly, its reliable pressure monitoring ensures your system operates safely and efficiently. Proper pressure activation can prevent over-pressurization, protect components, and trigger alarms or relays when thresholds are exceeded or reached, contributing to overall vehicle safety and performance management.

Installation & Fitment

Installing the DeatschWerks Hobbs Switch is straightforward and requires only basic tools. Its 1/8th NPT threaded port allows for easy integration into your existing fluid or air pressure lines. The included pigtail wiring harness simplifies electrical connections, enabling quick setup with minimal effort. No special modifications, cutting, or tuning are necessary, making it suitable for both professional installers and DIY enthusiasts.

Ensure that the switch is installed in a location where it can accurately read pressure without obstruction or interference. Once installed, you can adjust the activation point by turning the internal adjustment screw, providing flexibility to match your system's specific pressure thresholds.

What's Included

• DeatschWerks 1/8th NPT Adjustable Hobbs Switch
• Pigtail wiring harness for easy electrical connection
• Installation instructions and mounting hardware (if applicable)

Ideal For

• Automotive enthusiasts building custom fuel or boost control systems
• Turbocharged or supercharged vehicle setups requiring pressure monitoring
• Industrial applications needing reliable pressure activation
• Marine or off-road vehicles where environmental durability is essential

Emissions Note

This Hobbs switch is designed for use in non-emissions-critical applications. Please verify local regulations before installation in vehicles subject to emissions testing. It is intended for off-road, racing, or industrial use only and may not be legal for street use in all jurisdictions.