The XYLEM-MM RB-24SE 24V LWCO ensures safe operation of hot water systems by controlling the water level and shutting off the burner in case of low water levels. This reliable feature improves efficiency and prevents damage to the system, providing peace of mind to homeowners and professionals alike.

RB-24SE Low Water Cut-Offs are specially designed to protect hot water boilers from the hazards of a low water condition. In operation, they will interrupt the electrical current to the firing device if the water in the system drops below the boiler manufacturer’s minimum safe water level. Series RB-24SE Low Water Cut-Offs are available in a range of models with easy plug and play wiring compatible with the most popular boilers. From Honeywell Aquastat L7148 and United Technology boiler controls to Weil McLain Ultra, and Lochinivar Knight and Solution boilers McDonnel & Miller has you covered. With reliable performance and easy installation, our Low Water Cut-Offs provide a cost-effective solution to ensure boiler safety and efficiency. Trust McDonnel & Miller for your boiler protection needs.

Specifications:

Features:

• Patented Self-Cleaning Probe minimizes scale build-up and extends recommended cleaning interval to 5 years
• Brass threads provide a metal-to-metal seal that ensures a leak-free installation
• Integrated wrench flats enable secure installation without damage to the housing
• “Plug & Play” wiring harnesses are available for most residential gas-burning boilers
• Push-to-Test Button enables low water cut-off protection to be verified without draining any part of the system