McDonnell & Miller 63-M Low Water Cut Off Refrigerant preventing water damage to the

preventing water damage to the furnace plenum and surrounding structure

Can I use this for both LP and Natural Gas

Universal Compatibility: Standard 24V wiring integrates seamlessly with most HVAC zone controllers and thermostats

Improved Performance: Restores the valve's original "metallic click" and tight sealing to prevent hazardous leaks

featuring an outer circumference of 46 inches and a top width of 1/2 inch (A-section)

McDonnell & Miller 63-M Low Water Cut Off Refrigerant preventing water damage to theThe McDonnell & Miller 63 M (Part Number 143100) is a heavy duty, float operated mechanical low water cut off designed for superior reliability in both hot water and steam boiler applications. Built for contractors who require a dependable safety interface, this unit features a manual reset mechanism and a robust No. 2 dual switch assembly. These switches provide simultaneous low water cut off protection and a dedicated circuit for an electric water