MCDONNELL & MILLER UWH-RB24E-L Residential Low Water Cut-Off with Burner Control Harness

Product Description

The MCDONNELL & MILLER RB-24E-L is a low water cut-off made for residential hot water boilers. This device cuts off the burner in case of unsafe water loss due to leaks or boiler cracks. It handles water and glycol mixtures with a concentration of up to fifty percent.

• Brass threads ensure a metal-to-metal seal for a leak-free connection.
• Wrench flats make it easy to install securely without causing damage.
• Self-cleaning probe design reduces scale build-up and extends cleaning intervals.

Product Highlights

This low water cut-off is designed for easy installation and reliable performance, making it ideal for residential settings.

Product Information

Standard Information

• Brand: MCDONNELL & MILLER
• MPN: UWH-RB24E-L

Technical Specifications

• Voltage: 24V
• Reset: Automatic
• Use: Water
• Connection Size: 3/4 MNPT
• Maximum Ambient Temperature: 120 Deg. F (49 Deg. C)
• Maximum Water Temperature: 250 Deg. F (121 Deg. C)
• Maximum Water Pressure: 50 psi (3.5 kg/cm3)
• Ohms Sensitivity: 15,000 ohm