Optimized Airflow: Engineered for a 400 CFM nominal rating to provide superior filtration with minimal resistance

the RIBXLCEA provides reliable "Go/No-Go" status indication for small fractional horsepower motors

As a 3-speed motor

Superior Insulation: The 7mm silicone jacket provides high-temperature protection and prevents arcing in tight mechanical clearances

while the NBR (Nitrile) seals offer excellent compatibility with liquefied petroleum gases

McDonnell & Miller 61-HD Low Water Cut Off Refrigerant Optimized Airflow: Engineered for aThe McDonnell & Miller 61 HD (Part Number 140300) is a heavy duty mechanical low water cut off designed specifically for low pressure steam boiler applications. This head mechanism serves as a direct replacement component for Series 61 controllers, facilitating reliable burner circuit interruption when water levels drop below the safe line. Rated for a maximum steam pressure of 20 PSI, the 61 HD utilizes a high buoyancy float operated mechanism to