Pressure Switch, PresAirTrol Side Spout, 21A, 1/8″b, DPDT | PR21120A

PresAirTrol Side Spout Pressure Switch

Model: PR21120A – 21 Amp Rating

Product Overview

We stock this versatile PresAirTrol pressure switch. This adjustable DPDT (Double Pole Double Throw) switch offers excellent flexibility with its customizable pressure settings and side-mounted spout design.

Key Features

• 21 Amp rating
• Adjustable pressure range (1-5 PSI)
• DPDT configuration
• Side-mounted 1/8″ barb fitting
• Panel mount design
• Professional-grade construction

Technical Specifications

Specification	Detail
Manufacturer	PresAirTrol
Model Number	PR21120A
Amperage Rating	21A
Pressure Range	1-5 PSI (Adjustable)
Connection Type	1/8″ Barb
Switch Type	DPDT
Mounting	Panel Mount
Spout Configuration	Side Mount
Installation Hardware	#4 Self-Tapping Screws

Installation Features

• Panel mount design for easy installation
• Self-tapping #4 screw mounting
• Side-mounted barb fitting for convenient tubing connection
• Flexible positioning options
• Tool-free pressure adjustment

Performance Benefits

• Field-adjustable pressure settings
• Dual pole switching capability
• High current handling capacity
• Reliable switching action
• Precise pressure monitoring

Application Uses

• Spa control systems
• Equipment protection
• Dual circuit control
• Flow monitoring
• Safety shutdown systems

Design Advantages

• Side spout configuration for easy access
• Adjustable pressure threshold
• Dual pole switching flexibility
• Simple mounting system
• Durable construction

Adjustment Features

• Tool-accessible adjustment mechanism
• 1-5 PSI range selection
• Precise calibration capability
• Stable pressure settings
• Consistent operation point