Utica-Dunkirk 550002858 Aquastat Refrigerant or secondary heat exchanger leaks

or secondary heat exchanger leaks in high-efficiency furnaces that allow condensate to drip onto the burner assembly

The Rheem-Ruud 70-101087-81 Induced Draft Blower is a critical 120V combustion safety component designed for precise flue gas evacuation in residential furnaces

The unit utilizes double break contacts to provide a positive make and break

Enhanced Thermal Performance: The Open Air Over (OAO) design allows the airstream to cool the motor windings

heat-resistant materials to prevent warping and corrosion in exhaust venting systems

Utica-Dunkirk 550002858 Aquastat Refrigerant or secondary heat exchanger leaksThe 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.