this switch is specifically designed for use with non-corrosive gases like natural gas

Key Benefits for Contractors: Direct OEM Compatibility: Seamlessly replaces SWT2004

the IDEC RH3B-ULAC120V is a professional-grade 3PDT relay designed for demanding HVACR and industrial control applications

This is a standard flange mount relay

Utica-Dunkirk 550001266 Pressure Switch Els PW 17895 this switch is specifically designedThe Utica Dunkirk 550001266 Pressure Switch is a critical safety component designed for precise differential pressure monitoring in high efficiency boilers and HVAC systems. Featuring a Single Pole Double Throw (SPDT) configuration, this switch provides reliable 0. 4" WC (water column) set point detection to ensure proper venting and combustion airflow. As a genuine OEM replacement part, it is engineered to meet the strict tolerances required by Utica