McDonnell & Miller 11MV Low Water Cut-Off Switch

McDonnell & Miller 11MV Low Water Cut-Off Switch is a safety-critical component that ensures boiler protection by automatically shutting off the burner when water levels get too low. Designed for millivolt service, this float type low water cut-off is used on the 61/64/764 Series to prevent overheating and water-related damage.

Key features include:

• Compatibility: Works with 61/64/764 Series boilers in millivolt service.
• Type: Float-type low water cut-off switch for accurate water level monitoring.
• Reliability: Robust design built to protect boiler equipment and fuel safety.
• Ease of installation: Straightforward replacement to minimize downtime.
• Safety function: Automatically interrupts operation if water drops, preventing damage and hazards.

Whether you're updating an existing system or replacing a failed unit, this switch delivers dependable performance and peace of mind for boiler maintenance programs.