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Ships within 48 hours · Estimated delivery Sep 22 - Sep 27
including the AI2
The unit is compatible with standard HVAC 24 VAC or 13
Technicians should inspect for a clogged air filter
Fill space: 20 thousandths of an inch
Simplified Installation: The SPDT contacts allow for flexible wiring to either break or make a circuit on temperature rise
McDonnell & Miller 310488 Switch Assembly Els PW 29614 including the AI2The McDonnell & Miller 310488 is a field replaceable SWA 42S Snap Switch Assembly engineered specifically for Series 42S low water cut off and pump controllers. This single pole, single throw (SPST) mechanism provides precise automatic reset functionality, ensuring consistent boiler feed pump control and high limit safety across residential, commercial, and industrial steam applications. Built with a robust housing and high quality internal contacts,
US$ 224.00
US$ 169995.00