Boss Industries 300057 Pressure Regulator Valve
The Boss Industries 300057 Pressure Regulator Valve is designed for use on Boss 40/40 and legacy Morse 40/40 rotary screw air compressor systems. This regulator valve helps maintain proper compressor discharge pressure and responds quickly to changing air demand during operation.
Formerly sold under Morse part number 5033, this replacement regulator valve is commonly used on older Morse 40/40 compressor systems that are now supported under the Boss Industries product line.
Features & Benefits
- Genuine Boss Industries replacement part
- Replaces legacy Morse part number 5033
- Used on Boss 40/40 and Morse 40/40 compressor systems
- Helps regulate compressor discharge pressure
- Highly responsive to changing air demand
- Factory preset operating pressure
- Direct replacement design
Applications
- Boss 40/40 rotary screw air compressors
- Morse 40/40 rotary screw air compressors
- Spray foam rig air compressor systems
- Mobile spray foam trailer equipment
Cross Reference
| Description | Part Number |
|---|---|
| Boss Industries Pressure Regulator Valve | 300057 |
| Legacy Morse Regulator Valve | 5033 |
| Spray Foam Systems SKU | 236760 |
Compatibility
Compatible with Boss Industries 40/40 and legacy Morse 40/40 rotary screw air compressor systems.
Keep Your Compressor Running Strong
Spray Foam Systems stocks replacement compressor parts, service kits, filters, regulators, valves, and maintenance components for Boss Industries and legacy Morse compressor systems used on spray foam rigs nationwide.




