OEM Precision: Direct replacement ensures a perfect fit for the 1/2" bore

Safe Start Self-Check: Automatically verifies internal circuitry and components prior to each heating cycle to prevent unsafe startups

tool-free water level calibration to meet specific site requirements

This specific model features a NEMA 1 enclosure intended for indoor applications

though it is primarily designed for DC supervision

Utica-Dunkirk 240009863 Auqastat Els PW 29614 OEM Precision: Direct replacement ensuresThe Utica Dunkirk 240009863 is a high limit immersion aquastat engineered for precise thermal regulation in hydronic boiler systems. This SPST (Single Pole Single Throw) controller operates within a 140 240F temperature range, functioning as a critical safety or operating limit. Designed to break on temperature rise, it ensures the burner or circulator cycles accurately based on the established setpoint. This unit is an OEM replacement part frequently