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and millivolt heat-only systems
this specific valve body is rated for hot and chilled water or glycol mixtures
Optimized Power Output: Provides 40VA of power
Durable construction ensures extended operational life in demanding environments
McDonnell & Miller 94-M-HD Controller Refrigerant and millivolt heat-only systemsReplace your compromised boiler controls with the McDonnell & Miller 94 M HD Controller (Part Number 166000). This heavy duty head mechanism replacement is engineered for steam boiler water level control in high pressure commercial and industrial environments. It functions as a combination low water cut off and pump controller, utilizing a magnetic repulsion system that eliminates the common failure points found in bellows operated units. Designed for
