Description
Aftermarket low pressure switch from PAI Industries (FSW-0506) that replaces Mack 1MR2339R, 1MR1426R, 1MR2344R, and 745-280530. Normally closed at 0 psig and opens at 70 psig with a 1/4″–18 NPT thread (factory locking compound applied) for Mack air system warning circuits.
Specifications
| Manufacturer | PAI Industries |
|---|---|
| Part Number | FSW-0506 |
| Part Type | Low Pressure Switch |
| Switch State | Normally Closed @ 0 psig |
| Opens At | 70 psig |
| Thread Size | 1/4″–18 NPT (with locking compound) |
| Overall Length | 2.15 in |
| Warranty | 2 years |
| Application | Mack air system |
Cross References
This part replaces or is equivalent to the following part numbers:
- Mack: 1MR2339R, 1MR1426R, 1MR2344R, 745-280530
Applications
Mack air system low-pressure warning circuits requiring a NC@0 psig / open at 70 psig switch with a 1/4″–18 NPT port.
Verify your air system port thread and trip pressure before ordering to confirm fitment.
