the pressure switch is generally a separate component unless specified by the manufacturer's updated technical bulletin

It serves as the direct B1755917H replacement

If you are servicing the higher terminal range

What are the symptoms of a failing 10 MFD run capacitor

eliminating alignment issues

Conbraco 10-618-12 Valve R-22 the pressure switch is generallyThe Conbraco 10 618 12 Valve is a high capacity pressure relief valve specifically engineered for ASME Section IV hot water heating boilers and large scale hydronic systems. This industrial grade safety relief valve is factory set at 60 PSI and features a massive 10,305,000 BTU capacity, making it the standard choice for protecting heavy duty commercial equipment from overpressurization. Built with a rugged ASTM B584 bronze body and a corrosion