ensuring long-term operational reliability

check for a sufficient pressure differential

please consult the technical data sheet to confirm the elastomer material limits

8 performance standards and ensuring the pressure switch operates within the manufacturer’s specified water column (WC) parameters

Lennox 69W40 Limit Control 30067439-890 ensuring long-term operational reliabilityThe Lennox 69W40 Limit Control is a critical safety component designed for high temperature monitoring in residential and commercial heating systems. This fixed temperature limit switch features a 205 degree Fahrenheit (205F) trip point, ensuring the system shuts down immediately if internal temperatures exceed safe operational parameters. Engineered as an authentic Lennox replacement part, this high limit safety switch utilizes a reliable bimetallic