Siemens Combustion LDU11.523A17 Valve 340793-762 The 100167799 is the official

The 100167799 is the official manufacturer-designated replacement for RLY30043

Ensure your commercial heating maintenance remains up to spec with this factory-authorized component designed for industrial-grade durability

Do I need to apply oil to the cutting wheel

turning the fan on or off to maintain sufficient head pressure

This replacement solenoid coil utilizes a DIN 43650A / ISO 4400 connection

Siemens Combustion LDU11.523A17 Valve 340793-762 The 100167799 is the officialThe Siemens LDU11. 523A17 Valve Proving System is a critical safety controller engineered for automatic gas valve leak testing in double block valve configurations. Operating on a 110 volt AC supply, this unit utilizes a rigorous two stage pressure proving principle to verify the integrity of shut off valves before burner startup or following a controlled shutdown. During Test1, the device evacuates the test space and monitors for atmospheric pressure