Resideo 4074ETH Flow Switch Els PW 17895 This wall mounting unit features

This wall mounting unit features a negative temperature coefficient (NTC) element

Key Benefits: Precise Thermal Protection: Fixed 300°F trip point specifically calibrated for HVAC safety controls to prevent equipment damage

effectively mitigating risks associated with locked rotor conditions or phase loss

Why is clockwise (CW) rotation important

this switch is a standard replacement for several Lennox G43UF and G51MP series units

Resideo 4074ETH Flow Switch Els PW 17895 This wall mounting unit featuresThe Resideo 4074ETH Flow Switch is a critical sensing component engineered specifically for F50 and F58 Series Electronic Air Cleaners. This differential pressure switch serves as the primary interlock, ensuring the air cleaner cells are only energized when sufficient HVAC system airflow is detected. This prevents ozone buildup and protects internal components from premature failure due to static operation. The 4074ETH is a direct replacements for the