






🔄 Power your airflow like a pro—effortless, reliable, and ready to boost your comfort!
The Tjernlund PS1503P is a plug-in air pressure activation switch designed to automatically control duct fans by sensing positive air pressure from your furnace or AC blower. With a 2 Amp current rating and 120V operation, it offers universal compatibility and easy installation via a plug-in connector. Manufactured in the USA by an 81-year-old family business, it features a simple, reliable bladder mechanism that prevents errors and ensures consistent HVAC performance.
| Operation Mode | ON-OFF |
| Current Rating | 2 Amps |
| Operating Voltage | 120 Volts |
| Contact Type | Normally Open |
| Connector Type | Plug In |
| Brand | tjernlund |
| Terminal | Plug in |
| Item dimensions L x W x H | 17.3 x 16.2 x 16.1 Centimeters |
| Circuit Type | 1-way |
| Mounting Type | Snap In Mount |
| Actuator Type | Push Button |
| Contact Material | Copper Or Brass Or Silver |
| International Protection Rating | IP00 |
| Number of Positions | 2 |
| Controller Type | Push Button |
| Control Method | Sensor |
| Connectivity Protocol | Wi-Fi |
| Colour | black |
| Wattage | 5 Watts |
| Net Quantity | 1.0 Count |
| Number of Items | 1 |
| Global Trade Identification Number | 00080956961532 |
| Manufacturer | Tjernlund |
| Country of Origin | USA |
| Model number | B07W7LTY35 |
| Specific Product Use | personal |
| Item Weight | 0.28 g |
| Product Dimensions | 17.3 x 16.2 x 16.1 cm; 0.28 g |
| Item model number | B07W7LTY35 |
| Item Height | 6.34 Inches |
| Item Width | 6.38 Inches |
| Included Components | Tjernlund PS1503P Plug-in Air Pressure Activation Switch |
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