Description
PresAirTrol Threaded Stem SPDT Pressure Switch
Model: PM11120A – 21 Amp Rating
Product Overview
As a retailer of hot tub spa parts, I’m featuring this versatile PresAirTrol pressure switch with threaded stem design. This dual-mount capability switch offers excellent installation flexibility with its adjustable pressure settings and high current capacity.
Key Features
- 21 Amp rating
- Adjustable pressure range (1-5 PSI)
- SPDT (Single Pole Double Throw) configuration
- Dual mounting options (1/8″ NPT or 1/2″ panel)
- Threaded stem design
- Cross-referenced with Hergair 6741
Technical Specifications
| Specification | Detail |
|---|---|
| Manufacturer | PresAirTrol |
| Model Number | PM11120A |
| Amperage Rating | 21A |
| Pressure Range | 1-5 PSI (Adjustable) |
| Primary Connection | 1/8″ NPT |
| Panel Mount Size | 1/2″ |
| Switch Type | SPDT |
| Design Type | Threaded Stem |
| Cross Reference | Hergair 6741 |
Installation Features
- Dual mounting flexibility
- 1/8″ NPT direct connection option
- 1/2″ panel mount capability
- Threaded stem for secure mounting
- Adjustable positioning
Performance Benefits
- Field-adjustable pressure settings
- High current handling capacity
- Versatile SPDT switching
- Reliable operation
- Precise pressure monitoring
Application Uses
- Spa control systems
- Equipment protection
- Flow monitoring
- Safety circuits
- Panel-mounted installations
- Direct-threaded applications
Design Advantages
- Versatile mounting options
- Adjustable pressure threshold
- Professional-grade construction
- Stable switching mechanism
- Flexible installation configurations
Adjustment Features
- Tool-accessible adjustment mechanism
- Wide 1-5 PSI range selection
- Precise calibration capability
- Stable pressure settings
- Consistent switching points
