Operating at a 120Vac supply voltage

the internal coil has likely failed and the unit needs replacement

Is the V4043B1018 suitable for steam applications

Direct OEM Integration: The 371-02012-001 pressure relief valve sensor is a factory-spec kit

including air

Siemens Industrial Controls 49SDSBJ Selector Switch 319852-301 Operating at a 120Vac supplyThe Siemens Industrial Controls 49SDSBJ Selector Switch is a professional grade 3 position maintained selector switch engineered for precision control in demanding industrial environments. Designed specifically for use with enclosures featuring lift off covers, this 22mm pilot device ensures reliable switching logic for motor control and automation circuits. The maintaining contact action holds the selected position without constant manual pressure,