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The Schneider Electric (Barber Colman) 21-153 In-Line Restrictor is a critical pneumatic component engineered for precise airflow regulation in HVAC control systems
Common Questions: Can I use the 12A49 vent limiter for outdoor installations
What causes a low millivolt reading on this unit
ensuring the TXV responds to actual outlet pressure
Hydrolevel 24 Low Water Cut-Off Els PW 17895 The Schneider Electric (Barber Colman)The Hydrolevel 24 Low Water Cut Off (Model 45 240) is a heavy duty, probe type safety control engineered specifically for hydronic heating professionals. Operating on 24 VAC, this electronic LWCO utilizes an EL1214 sensing probe to monitor water levels within hot water boilers. When a low water condition occurs, the control immediately interrupts the burner circuit to prevent dry firing and heat exchanger damage. The automatic reset functionality
US$ 162.50
US$ 69.99
US$ 212.47
