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🔄 Effortless HVAC automation that keeps your system smart and your energy bills low.
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. Featuring a simple, reliable diaphragm mechanism and plug-in connectivity, it supports any duct fan brand and is manufactured in the USA by a family business with over 80 years of expertise. Ideal for enhancing HVAC efficiency, reducing energy waste, and extending the life of connected devices.




| ASIN | B07W7LTY35 |
| Actuator Type | Push Button |
| Brand Name | tjernlund |
| Circuit Type | 1-way |
| Colour | black |
| Compatible Devices | duct fans |
| Connectivity Protocol | Wi-Fi |
| Connector Type | Plug In |
| Contact Material | Copper Or Brass Or Silver |
| Contact Type | Normally Open |
| Control Method | Sensor |
| Controller Type | Push Button |
| Country of Origin | USA |
| Current Rating | 2 Amps |
| Customer Reviews | 4.3 4.3 out of 5 stars (198) |
| Global Trade Identification Number | 00080956961532 |
| Included Components | Tjernlund PS1503P Plug-in Air Pressure Activation Switch |
| International Protection Rating | IP00 |
| Item Dimensions | 17.3 x 16.2 x 16.1 Centimeters |
| Item Weight | 0.01 Ounces |
| Manufacturer | Tjernlund |
| Material Type | Copper, Brass, Silver |
| Model Number | B07W7LTY35 |
| Mounting Type | Snap In Mount |
| Number of Items | 1 |
| Number of Positions | 1 |
| Operating Voltage | 120 Volts |
| Operation Mode | ON-OFF |
| Part Number | PS1503P |
| Switch Type | pressure switch |
| Terminal | Plug in |
| UPC | 080956961532 |
| Unit Count | 1.0 Count |
| Wattage | 5 Watts |
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