# Nitrous Express Water Injection Low Flow Safety Switch

The Low Flow Safety Switch for use with NX water/methanol injection systems can trigger a boost cut solenoid or a timing retard module. It is designed to activate a safety mode in case you run out of Water/Methanol. The Low Flow Safety Switch allows for a safe tune in those instances where no Water/Methanol injection is present and an aggressive tune when Water/Methanol is utilized. 1. Fully adjustable alarm set point 2. Retard Timing- detailed instructions on integrating with MSD, J&S Safeguard, & other popular aftermarket ignitions.3. Optional Solenoids to open waste gates or bypass valves to reduce boost.4. Faster response time and can display real time flow in ml/min 5. Overflow alarm for leak detection.

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## Details

- **Price:** 339.2 CAD
- **Vendor:** Nitrous Express
- **Type:** Water Meth Kits

## Variants

| Variant | Price | Available |
|---------|-------|-----------|
| Default Title | 339.20 CAD | In stock |

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> Source: [Standard Auto Part](https://www.standardautopart.com/products/nitrous-express-water-injection-low-flow-safety-switch)
> Updated: 2026-09-01