176207 Model 750-MT-120 McDonnell & Miller Low Water Cut Off

Catalog Page

Installation Guide

Series 750

• For commercial or industrial applications
• Primary or secondary control on hot water boilers
• Secondary control (manual reset models only) on steam boilers
• Manual reset models meet the requirements of aSMe Standard CSD-1. If the control is in a low water condition when there is an interruption of power, the control will remain in a low water condition when power is restored. The reset button will need to be pressed when the water level is restored to a level above the probe to allow the burner to fire.

Standard Features

• Green LED indicating power is on
• Red LED indicating low water condition
• Test button
• No lock out with loss of power if probe is in water
• 20,000 ohms sensitivity