Antunes Controls 8021204014 Pressure Switch Els PW 17895 Professional installation is required to

Professional installation is required to ensure the thermal limit switch is positioned correctly for accurate flame sensing and system integration

Using a 3-blade fan in place of a 4-blade fan—or changing the pitch—can alter the motor amp draw

Does this orifice include the filter screen

System Protection: Reduces the electrical load spike on the building’s power supply by sequencing high-amperage heating stages

Antunes Controls 8021204014 Pressure Switch Els PW 17895 Professional installation is required toThe Antunes Controls 8021204014 Pressure Switch is a high precision air differential pressure switch engineered for critical HVACR and energy management proving circuits. As a veteran grade SMD Series model, it features a versatile set point range of 0. 17 to 6. 0" W. C., making it an essential component for monitoring fan proving, filter status, and combustion air pressure. This unit utilizes a snap acting SPDT switch (Single Pole Double Throw)