Industrial-Grade Durability: Constructed from high-quality materials to resist corrosion and thermal expansion in demanding furnace environments

Key Benefits for Technicians Optimized Load Cycling: Automatically alternates between two loads to balance run times and minimize equipment stress

Rugged Durability: Heat-resistant materials prevent the blades from warping or corroding in the presence of acidic flue gas condensates

Direct OEM Fit: Drop-in compatibility replaces the discontinued 023-0039-01 model

The F59H-1 can also be field-adjusted for tank filling by rotating the unit 180 degrees to open contacts on liquid rise

Utica-Dunkirk 1570001 Relief Valve 340793-762 Industrial-Grade Durability: Constructed from high-qualityThe Utica Dunkirk 1570001 Relief Valve is a critical safety component engineered for precise overpressure protection in hydronic heating systems and commercial boiler applications. As an ASME rated safety valve, this 3 4 inch NPT component is factory calibrated to a 15 PSI set pressure, ensuring immediate discharge when system limits are exceeded. Constructed with a lead free brass body and a corrosion resistant spring, the 1570001 OEM replacement