The primary side features multiple leads for different incoming voltages

though flow direction must follow the arrows indicated on the valve body for equal percentage flow accuracy

Where should the 87N53 be installed

Key Benefits: Precision Thermal Control: Features an L135-35F temperature rating for reliable high-limit protection and thermal safety

Utica-Dunkirk 550004160 Control Module 320735-701 The primary side features multipleThe Utica Dunkirk 550004160 Hydrolevel Control Module is a critical OEM boiler replacement part engineered for precise low water cut off (LWCO) and temperature management in hydronic heating systems. As a technician, you know that maintaining proper water levels is non negotiable for heat exchanger integrity; this module utilizes Hydrolevel technology to provide active monitoring and prevent dry fire conditions. Designed specifically for compatibility