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Technical Specifications and Benefits Voltage Compatibility: Optimized for standard 24V control circuits
Red signifies a
This evaporator limit control acts as a safety switch that opens the electrical circuit at 35°F to stop cooling and closes it at 58°F to resume operation
this OEM regulator spring allows technicians to dial in set-points for boilers
Lochinvar & A.O. Smith 100109973 Switch 321894-706 Technical Specifications and Benefits VoltageThe Lochinvar & A. O. Smith 100109973 Blocked Inlet Switch is a critical safety component designed for high efficiency condensing boilers and water heaters. As a normally closed air pressure switch, its primary function is to monitor the intake system for airflow restrictions. If the intake air connection screen becomes clogged or the vent piping is obstructed, the switch detects a fall in pressure and opens the electrical circuit, instantly shutting
