McDonnell & Miller PSE801-120 Boiler Low Water Cut-Off

The McDonnell & Miller PSE801-120 Boiler Low Water Cut-Off delivers dependable protection for commercial boiler systems. This electronic low-water cutoff uses precise actuation to safely monitor water levels in steam and water lines.

Ideal for commercial applications, it operates on 120 V AC and offers solid electrical performance for boiler safety. With a 7000 Ohm probe sensitivity and UL listing (Canada and US), this unit is designed to withstand tough industrial environments while keeping steam and water media safe from damage.

Durable construction, broad temperature tolerance, and clear electrical ratings make the PSE801-120 a reliable choice for modern boilers. It handles a range of service conditions from storage to operation, ensuring consistent cut-off response when water is low.

• Application: Commercial boiler safety using electronic low-water cut-off
• Electrical: 120 VAC input; 7.5 A full-load; 43.2 A locked rotor
• Media & Pressure: Steam and water; 15 psi steam; 160 psi water
• Dimensions: 2-7/8 in L x 8.1875 in W x 5-13/16 in H
• Environmental: -40 to 120°F storage; 32 to 120°F ambient; 250°F water; 85% non-condensing humidity
• Standards & Probe: UL listed (Canada/US); Probe 7000 Ohm