The flush mount design ensures a clean installation within standard panels

Direct-Fit Compatibility: Engineered as a drop-in HVAC replacement part for model FK4BNF003000AAAA and associated Carrier furnace units

low-maintenance solution for proportional 0-10 VDC or 4-20 mA control loops

While it features a 3/8" NPT vent connection

OEM Compatibility: Precision-engineered for Utica and Dunkirk boilers

Utica-Dunkirk 550002858 Aquastat Els PW 29614 The flush mount design ensuresThe 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.