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Normally closed (NC) configuration provides a fail-safe shut-off during power loss or system standby
This seal is optimized for McDonnell & Miller 21
OEM Compatibility: Designed specifically for Lennox HVAC equipment
This gauge is typically utilized for monitoring chilled water or hot water loops where sensor pressure must be translated into direct temperature readings for accurate HVAC control
System Safety: Enables immediate visual verification of boiler water levels to protect the heat exchanger from dry fire conditions
Fenwal 35-725205-115 Control Els PW 17895 Normally closed (NC) configuration providesThe Fenwal 35 725205 115 is a microprocessor based 120V Direct Spark Ignition (DSI) control designed for precise burner sequencing in gas fired heating equipment. This potted ignition module is engineered for high vibration and washdown environments, providing robust protection for the internal circuitry. It features a 15 second pre purge cycle to clear the combustion chamber and a 10 second Trial for Ignition (TFI) period. With a 3 trial ignition
