McDonnell & Miller 752P-MT-24 Boiler Low Water Cut-Off

McDonnell & Miller 752P-MT-24 Boiler Low Water Cut-Off delivers reliable, electronic-actuated protection for commercial and industrial boilers. This probe-type low water cutoff uses a 3/4 inch threaded port and monitors steam and hot water systems to prevent dangerous low-water conditions.

Designed for rugged indoor environments, it operates at 120 VAC (50/60 Hz) with a 125 VA rating, offering a 7.5 A full-load current and 43.2 A locked-rotor capability. The compact unit measures 6-5/8 in length × 6.4375 in width × 5-5/16 in height and includes a standard probe for quick installation. UL-listed for Canada and US and housed in a NEMA 1 enclosure, this low water cut-off provides dependable protection in commercial and industrial boiler systems. The probe sensitivity is 20,000 ohms, and the operating range covers ambient temperatures of 32–120°F (storage -40 to 120°F) with humidity up to 85% non-condensing.

• Type: Probe-type, electronic actuation
• Port: 3/4 inch threaded
• Media: Steam, hot water
• Applications: Commercial, industrial, general purpose
• Enclosure & Certification: NEMA 1, UL listed (Canada and US)
• Electrical: 120 VAC, 50/60 Hz, 125 VA; 7.5 A full-load; 43.2 A locked rotor
• Dimensions: 6-5/8 in L × 6.4375 in W × 5-5/16 in H
• Inclusions: Standard probe