Parking Brake Pressure Switch Button 294239

This push-pull button assembly controls the parking brake function on heavy-duty truck air brake systems. It is designed for secure actuation of park brake valves, ensuring positive activation (“Pull to Apply”) and reliable release (“Push to Release”) under normal operating conditions.

• Function: Integrated pneumatic push-pull button for parking brake valve control
• Button Type: Square button for manual brake application and release
• Shaft Size: 3/8 inch diameter
• Button Face: 1.25 inch square
• Overall Button Length: 1.5 inches
• Control Direction: Pull to apply brake, push to release

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