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Series 27W
including PID modulation control and burner sequencing
Brushless DC motor technology eliminates the need for limit switches and prevents motor overheating
Most failures result from bearing wear due to moisture in the flue gas or debris buildup on the impeller
The assembly is a comprehensive solution for field technicians
Siemens Building Technology 656-0012 Valve Assembly 318172-701 Series 27WThe Siemens Building Technology 656 0012 is a precision engineered normally closed pneumatic valve assembly designed for high performance fluid control in terminal unit applications. Part of the Powermite series, this 2 way globe valve features a 1 2 inch line size and a 2. 1 Cv flow coefficient, making it ideal for managing hot water, chilled water, or steam in fan coil units, convectors, and reheat coils. The 10 15 psi pneumatic actuator range
