Its dual differential configuration allows for versatile sensing across various system components

As a high-performance HVAC pneumatic control accessory

75" WC (Water Column)

Does the current switch require an external power supply

maintaining the original equipment's safety listing

McDonnell & Miller P-6-SS Probe Rod 30067439-890 Its dual differential configuration allowsThe McDonnell & Miller 179555, model P 6 SS, is a 72 inch liquid level control probe engineered for high precision monitoring in industrial and commercial boiler systems. Constructed from premium 316 stainless steel, this probe rod is designed for high demand environments where corrosion resistance is non negotiable. The full length of the rod is encased in a high grade PTFE coating (Teflon), an essential technical feature that prevents "bridging" or