This item works as expected in a secondary irrigation system. Like all pressure sensors, it fails when water freezes in it. For this reason, I have replaced several of them and it is not the device.
π Enhanced Performance Square Schneider Electric 9013FHG12J55X Air Compressor: Delivering Optimal Efficiency and Power
5 Review
Lead-Free Pressure Gauge, 2-1/2Inch Dial, Glycerin Filled, 0-160Psi/Kpa Stainless Steel Case 1/4InchNPT Lower Mount MEASUREMAN
7 Review
π Pressure Sensor Breakout: Adafruit's Enhanced Portability
5 Review
Fuel Pressure Gauge - 1-1/2" Dial, 304 Stainless Steel Case, Liquid Filled, 0-100Psi, 3-2-3%, 1/8"NPT Center Back Mount
11 Review
Portable Handheld Manometer π for Accurate Pressure Differential Measurement
5 Review
Digital multimeter RGK DM-12
6 Review
π¬οΈ Advanced 3-in-1 Indoor Air Quality Monitor with CO2/RH/Temp Data Logging and Audible Alarm - NDIR Sensor Technology
8 Review
π Enhanced Precision with Backlit Professional Manometer for Differential Ventilation
6 Review