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Optimized Performance: Rated at 1/3 HP and 1200 RPM
consistent power delivery with minimal vibration
a CC2 or compatible roof kit must be utilized
Constructed to withstand the rigors of commercial and residential heating
Enhanced Performance: Prevents gas bypass and air infiltration
Siemens Combustion LDU11.523A17 Valve THPU32HP7Y Optimized Performance: Rated at 1/3The 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
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