
Radium Engineering Adjustable Pressure Switch
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Description
Radium Adjustable Pressure Switch
Application: Universal
Part Type: Adjustable boost pressure switch
Part Number: 20-0236
The Radium Adjustable Pressure Switch provides a simple way to trigger staged fuel pumps based on positive boost pressure. Used to switch a relay, it brings an additional fuel pump online once boost reaches the set activation point.
As well as boost referencing, the switch can be used in fluid applications including oil, fuel and coolant. It is not preset from the factory and must be calibrated to the required activation pressure using the method in the installation instructions.
Key Features
- Adjustable Activation: Set anywhere from 3 to 15 psi of positive pressure
- Staged Pump Control: Ideal for triggering additional fuel pumps under boost
- Normally Open: Switch closes on positive pressure only
- Flexible Wiring: Can be used as a ground or 12V+ signal switch
- Stainless Steel Body: Durable body with a 1/8" NPT threaded port
- Multi-Fluid Use: Also suits oil, fuel and coolant applications
What's Included
- Adjustable pressure switch
- Male connector
- Female crimp terminals
- Connector/wire seals
Important Notes
- Do not use with brake fluid
- Do not route main fuel pump power through the switch – it cannot carry pump current; use it to trigger a relay
- The switch is not preset – calibrate it to your activation pressure using the installation instructions before use
- Please review the installation instructions before purchasing
- Installation instructions are available in the Instructions tab
Vehicle Fitment
- Universal – see Application
If you're unsure whether this will fit your vehicle, contact our team of experts via email at hello@iilumolab.com and send through a few photos of the car for us to verify fitment.
Installation
We always recommend professional fitment for guaranteed satisfaction. If you're wanting a hassle-free installation, feel free to contact our friendly team as we offer installation services in-store at our Melbourne workshop. For more details, contact us here.
Note
Upon receiving the item, please ensure that the part is indeed the correct item you have ordered. This can be achieved by checking labels on the packaging. Please also ensure a proper test fit of the item is conducted prior to paint and/or installation. Returns/Warranty claims will be voided if the item has been tampered with, or is no longer in resalable/new condition.

