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the SPDT 24V configuration is frequently utilized to trigger the indoor blower motor simultaneously with the first bank of heating elements to ensure proper airflow and prevent high-limit tripping
the York S1-025-29041-005 Limit Switch is a critical OEM replacement part designed for high-limit temperature monitoring
the Williams P147200 is built to withstand the rigorous cycling and thermal expansion typical of the 1403
The Reznor 112752 Blocked Flue Switch is a critical safety component designed for specific Reznor unit heaters
Cleveland Controls DFS-221-112 Switch the SPDT 24V configuration isThe Cleveland Controls DFS 221 112 Switch is a fixed setpoint air pressure sensing switch designed for critical airflow proving in duct heaters, ovens, and energy management systems. This SPDT airflow switch is factory calibrated to actuate on a pressure rise at 0. 05" WC ( 0. 02" WC), making it an ideal solution for applications requiring a non adjustable, tamper proof safety interlock. Built with a durable silicone diaphragm and a zinc plated steel
US$ 34.90
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