Utica-Dunkirk 1570001 Relief Valve 318820-201 Universal DIN connection provides a

Universal DIN connection provides a standardized

use the calibrated scale to confirm the Cut Out and Cut In points

Using it with incompatible refrigerants may lead to incorrect superheat and poor system performance

this component is essential for resolving pressure switch faults and "no heat" calls caused by vacuum leaks at the combustion blower motor interface

Precise Flow Control: A built-in characterizing disc ensures a modified equal percentage flow for linear heat transfer

Utica-Dunkirk 1570001 Relief Valve 318820-201 Universal DIN connection provides aThe 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