Pro-Tech Inc products

Pro-Tech`s Thermalarm III uses hermetically sealed magnetic switches, eliminating concerns with corrosion and particle contamination.

30 Pounds Adjustable Low Water Pressure Detector, Works up To 60 Pounds.

75 pounds Adjustable Low Water Pressure Detector, Works up to 150 Pounds .

20P 30 Hermetically Sealed.

40 Watt Speaker--- Use It With The MPI 11 for a 40 Watt Siren.

30 Watt Self-Contained Siren With 2 Sounds 112dB at 10 Feet-- Each 3dB Double Loudness.