McDonnell & Miller 194 Boiler Low Water Cut-Off/Pump Controller

McDonnell & Miller 194 Boiler Low Water Cut-Off/Pump Controller is a rugged mechanical actuation device designed to protect boilers in demanding commercial and industrial environments. This combined low water cut-off and pump controller provides reliable safety by monitoring water levels and coordinating the feed pump as conditions require.

Key specifications include port connections of 1-1/4 inch threaded x 1-1/4 inch threaded, overall dimensions of 13-1/16 inch length by 20-1/2 inch height, and an input supply rating of 120/240 VAC (345 VA). The unit carries a 250 PSI pressure rating and handles media such as steam and water. It features a Series 5 Switch and a 10-bolt flange, with mechanical actuation for dependable, maintenance-friendly operation.

Designed for commercial and industrial boiler installations, this controller is built to meet UL, CSA, and FM standards, delivering robust performance in demanding environments.

• Port connections: 1-1/4" threaded x 1-1/4" threaded
• Actuation: Mechanical
• Series 5 Switch with 10-bolt flange
• Media: Steam and Water
• Dimensions: 13-1/16" L × 20-1/2" H
• Electrical: 120/240 VAC input, 345 VA
• Pressure rating: 250 PSI
• Applications: Commercial and Industrial boiler systems