Utica-Dunkirk 550002858 Aquastat 30067439-890 Common Questions How do I

Common Questions How do I know if the flame sensor is failing

Contractor-Grade Durability: Provides a cost-effective alternative to OEM Grindmaster 2240 without compromising structural integrity or fitment

Using it with R410A will lead to incorrect metering and potential hardware failure due to the significant differences in operating pressures

Leak Prevention: High-tolerance sealing surfaces prevent combustible gas leakage and maintain system pressure standards

Utica-Dunkirk 550002858 Aquastat 30067439-890 Common Questions How do IThe Utica Dunkirk 550002858 Aquastat is a heavy duty SPST immersion aquastat designed for accurate limit or regulation control of water temperatures in hydronic heating systems. Specifically engineered for Utica and Dunkirk boiler systems, this OEM component operates across a 110F to 200F range to maintain optimal thermal stability. As a 240007710 retrofit kit equivalent, it is the primary replacement for obsolete 146 62 025 and L7148F1042 controls.